---METADATA---
VENDOR: Jenkins
PRODUCT: Multijob Plugin
AFFECTED_VERSIONS: 0 through 669.v9d96a_d9c71b_0
CONFIDENCE: high
MISSING: patch
---END_METADATA---

Description Summary:
A cross-site request forgery (CSRF) vulnerability in the Jenkins Multijob Plugin allows attackers to perform unauthorized actions on behalf of authenticated users.

Executive Summary:
A CSRF vulnerability in the Jenkins Multijob Plugin could allow attackers to execute unauthorized commands by leveraging an authenticated user session.

Vulnerability Details

CVE-ID: CVE-2026-70432

Affected Software: Jenkins Multijob Plugin

Affected Versions: 0 through 669.v9d96a_d9c71b_0

Vulnerability: This is a cross-site request forgery (CSRF) vulnerability affecting the Jenkins Multijob Plugin. An attacker can trick an authenticated user into performing unintended actions within the plugin, potentially leading to unauthorized configuration changes or job executions.

Business Impact

The CVSS score of 8.8 highlights the severity of this issue, as it could lead to the hijacking of administrative actions within Jenkins. Successful exploitation may result in unauthorized modifications to build processes or the exposure of internal system configurations, significantly impacting development security.

Remediation Plan

Immediate Action: Consult the Jenkins security advisory for the latest guidance and apply the necessary plugin updates as soon as they are released.

Proactive Monitoring: Review web server and Jenkins application logs for suspicious requests that originate from unexpected sources or referrers.

Compensating Controls: Ensure all users are logged out of active sessions when not in use and consider implementing a Web Application Firewall (WAF) to filter malicious cross-site requests.

Exploitation Status

Public Exploit Available: No confirmed public exploit available.

Analyst Notes: As of August 6, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability.

Analyst Recommendation

Due to the nature of CSRF attacks, this vulnerability is highly dependent on user interaction. Security teams should prioritize patching and ensure that users are educated on the risks of accessing external links while maintaining active administrative sessions.

---METADATA---
VENDOR: Jenkins
PRODUCT: Multijob Plugin
AFFECTED_VERSIONS: 0 through 669.v9d96a_d9c71b_0
CONFIDENCE: high
MISSING: patch
---END_METADATA---

Description Summary:
A security vulnerability in the Jenkins Multijob Plugin allows for unauthorized actions or information disclosure, affecting versions up to 669.v9d96a_d9c71b_0.

Executive Summary:
A high-severity vulnerability in the Jenkins Multijob Plugin could allow authenticated attackers to gain unauthorized access or influence system operations.

Vulnerability Details

CVE-ID: CVE-2026-70431

Affected Software: Jenkins Multijob Plugin

Affected Versions: 0 through 669.v9d96a_d9c71b_0

Vulnerability: The vulnerability exists within the Jenkins Multijob Plugin and requires the attacker to have authenticated access to the Jenkins environment. It allows for potential unauthorized actions due to insufficient security controls within the plugin functions.

Business Impact

With a CVSS score of 8.8, this flaw represents a significant risk to the integrity and availability of CI/CD pipelines. Exploitation could allow an attacker to disrupt development workflows, inject malicious code into build processes, or access sensitive build artifacts, leading to potential supply chain compromise.

Remediation Plan

Immediate Action: Review the official Jenkins security advisory and apply the recommended plugin update or configuration change.

Proactive Monitoring: Monitor Jenkins audit logs for unusual job executions or configuration changes initiated by unexpected user accounts.

Compensating Controls: Implement strict Role-Based Access Control (RBAC) within Jenkins to limit the number of users who can interact with the Multijob Plugin and associated job configurations.

Exploitation Status

Public Exploit Available: No confirmed public exploit available.

Analyst Notes: As of August 6, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability.

Analyst Recommendation

Jenkins administrators should treat this vulnerability with high urgency given the potential for CI/CD pipeline compromise. Ensure the Multijob Plugin is updated to the latest secure version once available.

---METADATA---
VENDOR: Jenkins
PRODUCT: Jenkins
AFFECTED_VERSIONS: Jenkins 2.575 and earlier, LTS 2.568.1 and earlier
CONFIDENCE: high
MISSING: none
---END_METADATA---

Description Summary:
Jenkins is vulnerable to an improper handling of case-insensitivity in user and group names, which could allow unauthorized impersonation.

Executive Summary:
A vulnerability in Jenkins regarding case-insensitive name handling could allow attackers to impersonate existing users or groups.

Vulnerability Details

CVE-ID: CVE-2026-70429

Affected Software: Jenkins

Affected Versions: Jenkins 2.575 and earlier, LTS 2.568.1 and earlier

Vulnerability: The vulnerability involves the inconsistent handling of case-insensitivity for user and group names. This flaw enables attackers to create new entities that match existing ones, potentially leading to unauthorized privilege grants or identity impersonation.

Business Impact

With a CVSS score of 8.1, this vulnerability presents a significant risk to the integrity of the CI/CD pipeline. An attacker who successfully exploits this flaw could gain unauthorized administrative access, modify build configurations, or inject malicious code into the development lifecycle, leading to severe downstream security consequences.

Remediation Plan

Immediate Action: Update Jenkins to version 2.576 or the LTS version to 2.568.2 immediately.

Proactive Monitoring: Audit the Jenkins user and group database for any names that appear to be duplicates or variations of existing high-privilege accounts.

Compensating Controls: Implement strict identity and access management policies, and ensure that Jenkins instances are not exposed to the public internet where unauthenticated attackers might attempt to register new accounts.

Exploitation Status

Public Exploit Available: No confirmed public exploit available.

Analyst Notes: As of August 6, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The flaw was discovered through a bug bounty program, suggesting it is a complex logic error rather than a trivial entry point.

Analyst Recommendation

The severity of this issue demands prompt attention to prevent identity-based attacks within the development environment. Administrators should verify their current version and apply the recommended patches to secure the Jenkins instance against potential impersonation attacks.

---METADATA---
VENDOR: Jenkins
PRODUCT: OWASP ZAP Plugin
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability in the Jenkins OWASP ZAP Plugin may allow attackers to exploit security testing configurations to gain unauthorized access or execute code.

Executive Summary:
A high-severity vulnerability in the Jenkins OWASP ZAP Plugin could allow malicious actors to compromise the CI/CD pipeline and execute arbitrary commands on the host system.

Vulnerability Details

CVE-ID: CVE-2026-57301

Affected Software: Jenkins OWASP ZAP Plugin

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This flaw exists within the OWASP ZAP Plugin for Jenkins, impacting how the plugin processes security scan inputs or configurations. If left unpatched, the vulnerability may allow an attacker to bypass intended security constraints, potentially leading to remote code execution on the Jenkins server.

Business Impact

The CVSS score of 8.8 underscores the critical nature of this flaw, as it directly impacts the security of the automated testing infrastructure. Compromise of the ZAP plugin can lead to the exposure of internal network topologies, sensitive scan data, or provide a foothold for lateral movement into the broader corporate network.

Remediation Plan

Immediate Action: Update the Jenkins OWASP ZAP Plugin to the latest version released by the vendor to ensure all security patches are applied.

Proactive Monitoring: Monitor the Jenkins server for unusual outbound network connections or unexpected child processes spawned by the ZAP plugin.

Compensating Controls: Isolate Jenkins build agents in restricted network segments and apply WAF rules to filter malicious payloads directed at the Jenkins interface.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 25, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Because the OWASP ZAP Plugin is designed to perform security testing, its compromise is particularly dangerous as it may be used to mask malicious activity. Administrators must apply the recommended plugin updates immediately to maintain the integrity of their security testing environment and the overall CI/CD pipeline.

---METADATA---
VENDOR: Jenkins
PRODUCT: External Workspace Manager Plugin
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A critical vulnerability exists in the Jenkins External Workspace Manager Plugin, potentially allowing for unauthorized access or system compromise.

Executive Summary:
A high-severity vulnerability in the Jenkins External Workspace Manager Plugin exposes the build environment to unauthorized access and potential system exploitation.

Vulnerability Details

CVE-ID: CVE-2026-57296

Affected Software: Jenkins External Workspace Manager Plugin

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability involves flaws within the External Workspace Manager Plugin that may allow an attacker to bypass security constraints. While authentication requirements are vendor-specific, such plugin vulnerabilities often permit authenticated users or unauthenticated attackers to perform unauthorized actions within the Jenkins controller.

Business Impact

Successful exploitation can lead to full compromise of the Jenkins build environment, allowing attackers to inject malicious code into CI/CD pipelines or exfiltrate sensitive credentials. With a CVSS score of 8.8, this vulnerability poses a severe risk to software supply chain integrity and overall organizational security posture.

Remediation Plan

Immediate Action: Update the Jenkins External Workspace Manager Plugin to the latest patched version immediately.

Proactive Monitoring: Review Jenkins audit logs for unauthorized plugin configuration changes or suspicious build activities.

Compensating Controls: If an update is not immediately feasible, restrict access to the Jenkins instance and disable the affected plugin to prevent exploitation.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 25, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Due to the high CVSS score and the critical role of Jenkins in the development lifecycle, this vulnerability must be treated with urgency. Security teams should ensure that all Jenkins plugins are kept up to date and that the External Workspace Manager plugin is patched to prevent unauthorized access.

---METADATA---
VENDOR: Jenkins
PRODUCT: Script Security Plugin
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A critical security vulnerability has been identified in the Jenkins Script Security Plugin, potentially allowing for unauthorized script execution.

Executive Summary:
The Jenkins Script Security Plugin contains a high-severity flaw that may allow unauthorized actors to bypass security controls and execute arbitrary code within the Jenkins environment.

Vulnerability Details

CVE-ID: CVE-2026-57280

Affected Software: Jenkins Script Security Plugin

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability involves a failure in the Script Security Plugin's ability to properly enforce security policies for script execution. Depending on the configuration, an authenticated user—or in some scenarios, an unauthenticated attacker—could potentially execute unauthorized scripts on the Jenkins controller.

Business Impact

With a CVSS score of 8.8, this vulnerability represents a severe threat to CI/CD pipeline integrity. Successful exploitation could grant an attacker full control over Jenkins tasks, leading to the exfiltration of build secrets, source code compromise, or the injection of malicious code into downstream production deployments.

Remediation Plan

Immediate Action: Upgrade the Jenkins Script Security Plugin to the latest patched version provided by the Jenkins project.

Proactive Monitoring: Review Jenkins audit logs for unauthorized script execution attempts or modifications to existing pipeline configurations.

Compensating Controls: Implement strict Role-Based Access Control (RBAC) and limit the ability of users to define or modify scripts within the Jenkins environment.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 25, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Jenkins instances are high-value targets for supply chain attacks. It is imperative that security teams audit their Jenkins plugin configurations and apply the necessary updates immediately to prevent potential remote code execution and unauthorized access to build infrastructure.

---METADATA---
VENDOR: Jenkins
PRODUCT: Jenkins
AFFECTED_VERSIONS: See vendor advisory for affected versions
---END_METADATA---

Description Summary:
Jenkins 2 is subject to a high-severity vulnerability involving the deserialization of arbitrary data.

Executive Summary:
An arbitrary deserialization vulnerability in Jenkins 2 poses a critical risk of remote code execution.

Vulnerability Details

CVE-ID: CVE-2026-53435

Affected Software: Jenkins

Affected Versions: See vendor advisory for affected versions

Vulnerability: The vulnerability involves the unsafe deserialization of arbitrary data within Jenkins 2. This flaw can be weaponized by an attacker to execute arbitrary code on the underlying server hosting the Jenkins instance.

Business Impact

A CVSS score of 8.8 highlights the severity of this remote code execution risk. Successful exploitation could lead to full system compromise, allowing attackers to access CI/CD pipelines, steal secrets, inject malicious code into build processes, or pivot deeper into the internal network.

Remediation Plan

Immediate Action: Update Jenkins to the latest version as recommended by the vendor to remediate the deserialization flaw.

Proactive Monitoring: Monitor build server logs for unusual process execution or unauthorized network connections originating from the Jenkins service.

Compensating Controls: Ensure the Jenkins instance is isolated from the public internet and restrict access to authorized users via VPN or robust authentication mechanisms.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 11, 2026, there is no public information indicating active exploitation of this vulnerability. The risk of remote code execution makes this a high-priority remediation task.

Analyst Recommendation

Given the critical role of Jenkins in the development lifecycle, this vulnerability presents a major risk to the entire software supply chain. Administrators must prioritize applying the latest security updates to prevent unauthorized code execution.

---METADATA---
VENDOR: Jenkins
PRODUCT: Email Extension Plugin
AFFECTED_VERSIONS: 0 through 1933.v45cec755423f
CONFIDENCE: high
MISSING: none
---END_METADATA---

Description Summary:
The Jenkins Email Extension Plugin contains a vulnerability in versions up to 1933.v45cec755423f that may allow an authenticated attacker to compromise the integrity and availability of the system.

Executive Summary:
An authenticated attacker can leverage a vulnerability in the Jenkins Email Extension Plugin to achieve full system impact, necessitating an immediate update.

Vulnerability Details

CVE-ID: CVE-2026-48920

Affected Software: Jenkins Email Extension Plugin

Affected Versions: 0 through 1933.v45cec755423f

Vulnerability: This vulnerability involves a flaw in the plugin that can be triggered by an attacker with low-level privileges (PR:L). It allows for potential unauthorized actions, as indicated by the CVSS vector's high impact ratings for Confidentiality, Integrity, and Availability.

Business Impact

The CVSS score of 8.8 reflects a High severity due to the potential for total system compromise by an authenticated user. Unauthorized access or manipulation of email notifications within a CI/CD pipeline could lead to data exfiltration, the injection of malicious code into deployment workflows, or critical service disruption.

Remediation Plan

Immediate Action: Update the Jenkins Email Extension Plugin to version 1933.1935.v276319e3cc47 or later.

Proactive Monitoring: Review Jenkins access logs for unusual activity originating from low-privilege accounts and monitor email configuration changes.

Compensating Controls: Restrict permissions for plugin management and configuration to a strictly limited set of administrative users until the update is applied.

Exploitation Status

Public Exploit Available: No

Analyst Notes: As of May 28, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The vulnerability's impact is constrained by the requirement for low-level authentication.

Analyst Recommendation

Given the potential for complete system impact, administrators should prioritize the update to version 1933.1935.v276319e3cc47. Ensuring that all plugins are kept up to date is essential to maintaining the security posture of the Jenkins environment.

---METADATA---
VENDOR: Jenkins
PRODUCT: GitHub Plugin
AFFECTED_VERSIONS: 1.46.0 and earlier
---END_METADATA---

Description Summary:
The Jenkins GitHub Plugin contains a stored cross-site scripting (XSS) vulnerability due to improper URL processing during GitHub hook trigger validation.

Executive Summary:
A stored XSS vulnerability in the Jenkins GitHub Plugin allows authenticated attackers with read permissions to execute arbitrary JavaScript in the context of the application.

Vulnerability Details

CVE-ID: CVE-2026-42523

Affected Software: Jenkins GitHub Plugin

Affected Versions: 1.46.0 and earlier

Vulnerability: This vulnerability involves improper sanitization of job URLs within the GitHub hook trigger feature, allowing an attacker with existing "Overall/Read" permissions to inject malicious scripts that execute in the browser of other users.

Business Impact

Successful exploitation allows an attacker to perform actions on behalf of other users, potentially leading to unauthorized configuration changes or credential theft. With a CVSS score of 9.0, this critical severity reflects the potential for significant compromise of the CI/CD pipeline integrity and associated administrative accounts.

Remediation Plan

Immediate Action: Update the Jenkins GitHub Plugin to the latest available version as specified by the vendor security advisory.

Proactive Monitoring: Review access logs for suspicious activity involving job configuration changes or unusual URL parameters.

Compensating Controls: Implement strict Content Security Policy (CSP) headers where possible to mitigate the execution of unauthorized scripts.

Exploitation Status

Public Exploit Available: Unknown

Analyst Notes: As of April 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Given the critical nature of this vulnerability and its impact on the development environment, administrators should prioritize patching the GitHub Plugin immediately. Failure to address this flaw could allow attackers to gain elevated control over the Jenkins instance.

---METADATA---
VENDOR: Jenkins
PRODUCT: Jenkins
AFFECTED_VERSIONS: 1.0 through 2.576, 1.0 through 2.568.2
CONFIDENCE: high
MISSING: none
---END_METADATA---

Description Summary:
Jenkins contains an improper link resolution vulnerability that allows authenticated users to manipulate file paths during access operations.

Executive Summary:
A high-severity path traversal vulnerability in Jenkins allows authenticated users to achieve full system compromise by exploiting improper link resolution.

Vulnerability Details

CVE-ID: CVE-2026-19429

Affected Software: Jenkins Jenkins

Affected Versions: 1.0 through 2.576, 1.0 through 2.568.2

Vulnerability: This vulnerability involves improper link resolution (CWE-59) and incomplete input validation (CWE-184) within the Jenkins FilePath component. An authenticated attacker can leverage this flaw to access or manipulate unauthorized files on the underlying host system.

Business Impact

The vulnerability carries a CVSS score of 8.8, reflecting its high potential for total system compromise. Successful exploitation allows an attacker with low-level privileges to gain full read and write access to the filesystem, which could lead to the theft of sensitive build artifacts, credentials, or the execution of arbitrary code, resulting in severe data loss and operational downtime.

Remediation Plan

Immediate Action: Update Jenkins to the latest available version as specified in the official vendor security advisory to patch the FilePath resolution logic.

Proactive Monitoring: Review Jenkins build logs and system access logs for unusual file access patterns or attempts to navigate outside of defined workspace directories.

Compensating Controls: Ensure that Jenkins instances are deployed within containerized or isolated environments to minimize the impact of a potential filesystem breakout.

Exploitation Status

Public Exploit Available: Unknown

Analyst Notes: As of August 11, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The flaw's high technical impact necessitates prompt patching despite the lack of current exploit evidence.

Analyst Recommendation

Given the critical nature of the Jenkins CI/CD pipeline, this vulnerability poses a significant risk to the integrity of the software supply chain. Administrators should prioritize applying the vendor-supplied patches immediately to prevent potential unauthorized access and system-wide escalation.

---METADATA---
VENDOR: Eclipse
PRODUCT: PIA (OIDC issuer allowlist)
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
The PIA OIDC issuer allowlist for Jenkins tokens is vulnerable to improper validation, using a bare string-prefix check that may allow unauthorized token issuance.

Executive Summary:
An authentication bypass vulnerability in the Eclipse PIA OIDC issuer allowlist permits unauthorized Jenkins token validation, posing a significant risk to CI/CD pipeline integrity.

Vulnerability Details

CVE-ID: CVE-2026-14336

Affected Software: Eclipse PIA

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability exists because the OIDC issuer allowlist implementation relies on a weak string-prefix check. This flaw may allow an attacker to bypass intended authentication constraints, potentially masquerading as a legitimate OIDC issuer to obtain unauthorized Jenkins tokens.

Business Impact

Exploitation of this vulnerability could grant an attacker unauthorized access to Jenkins CI/CD pipelines, enabling code injection, credential theft, or the compromise of sensitive development environments. With a CVSS score of 8.2, the risk to the software supply chain is substantial, potentially leading to unauthorized deployments or internal system compromise.

Remediation Plan

Immediate Action: Apply the vendor-provided security update immediately to replace the weak prefix check with strict, full-string validation.

Proactive Monitoring: Audit Jenkins access logs for unexpected OIDC authentication events or tokens associated with unknown or suspicious issuers.

Compensating Controls: Implement strict network segmentation and reinforce OIDC configuration policies to ensure only trusted issuers are permitted within the CI/CD infrastructure.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of July 3, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

This vulnerability represents a high-risk security gap in authentication logic. It is imperative that security teams verify their current configuration and apply the vendor patch as soon as it becomes available to prevent unauthorized access to sensitive build environments.

Executive Summary:
A high-severity vulnerability has been discovered in the Jenkins JDepend Plugin, which could allow an attacker to compromise the Jenkins environment. Successful exploitation could lead to an attacker gaining administrative control, stealing sensitive data like source code and credentials, and potentially injecting malicious code into the software build and deployment pipeline. Organizations are urged to apply the vendor-supplied security update immediately to mitigate this significant risk to their development infrastructure.

Vulnerability Details

CVE-ID: CVE-2025-64134

Affected Software: Jenkins Multiple Products

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The Jenkins JDepend Plugin is vulnerable to a stored cross-site scripting (XSS) attack. An attacker with permission to configure jobs can inject malicious HTML and JavaScript code into a project's configuration parameters. This malicious code is then stored on the Jenkins server and is executed in the browser of any user who views the affected project's page, including administrators. This could allow the attacker to steal session cookies, impersonate high-privilege users, and perform administrative actions on their behalf, leading to a full compromise of the Jenkins instance.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 7.1. Exploitation poses a direct threat to the integrity and confidentiality of the organization's software supply chain. An attacker could leverage this vulnerability to escalate privileges, access and exfiltrate sensitive source code, API keys, and other credentials stored within Jenkins. The most severe risk is the potential for an attacker to manipulate the CI/CD pipeline to inject malicious backdoors or malware into production software, leading to a widespread compromise of downstream customers and significant reputational and financial damage.

Remediation Plan

Immediate Action: Apply vendor security updates immediately to all Jenkins instances running the affected JDepend Plugin. After patching, monitor for any signs of exploitation attempts by reviewing Jenkins access logs for unusual or unauthorized configuration changes to build jobs.

Proactive Monitoring: Security teams should actively monitor Jenkins server logs for suspicious activity, such as unexpected modifications to job config.xml files, particularly the injection of <script> or other HTML tags. Monitor network traffic for unusual outbound connections from the Jenkins server, which could indicate data exfiltration or command-and-control communication. Set up alerts for any builds that are triggered or modified outside of normal operational patterns.

Compensating Controls: If immediate patching is not feasible, implement the following controls to reduce risk:

• Strictly limit "Job/Configure" permissions to a minimal number of highly trusted administrators.
• Implement a Web Application Firewall (WAF) with rules designed to detect and block common XSS payloads.
• Enforce a strong Content Security Policy (CSP) on the Jenkins web server to prevent the execution of untrusted inline scripts.
• Regularly audit job configurations for any suspicious or unrecognized code snippets.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of October 29, 2025, there are no known public exploits or active exploitation campaigns targeting this vulnerability. However, vulnerabilities in widely-used CI/CD tools like Jenkins are attractive targets for threat actors. It is highly probable that security researchers will develop and publish proof-of-concept (PoC) exploits in the near future, increasing the likelihood of exploitation.

Analyst Recommendation

Given the high-severity rating and the critical role of Jenkins in the software development lifecycle, this vulnerability requires immediate attention. Although not currently listed on the CISA KEV catalog, its potential for enabling supply chain attacks makes it a significant threat. We strongly recommend that organizations prioritize the deployment of the vendor-provided patch across all affected systems without delay. In parallel, implement the proactive monitoring and compensating controls detailed above to enhance detection capabilities and provide layered defense against potential exploitation.

Executive Summary:
A high-severity vulnerability has been identified in the Jenkins SAML Plugin, which could allow an unauthenticated attacker to bypass security controls and gain unauthorized access to the Jenkins server. Successful exploitation could lead to the compromise of sensitive source code, deployment credentials, and the integrity of the software build and deployment pipeline.

Vulnerability Details

CVE-ID: CVE-2025-64131

Affected Software: Jenkins SAML Plugin

Affected Versions: See vendor advisory for specific affected versions.

Vulnerability: The Jenkins SAML Plugin fails to properly validate the cryptographic signature of incoming SAML assertions. An unauthenticated remote attacker can exploit this flaw by crafting a malicious SAML response containing a valid user identifier but an invalid or missing signature. The plugin processes this response as authentic, granting the attacker access to the Jenkins instance with the permissions of the impersonated user.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 7.5. A successful exploit would grant an attacker unauthorized access to the Jenkins automation server, a central component of the software development lifecycle. The potential consequences include the theft of intellectual property and source code, compromise of secrets and credentials stored within Jenkins, injection of malicious code into the CI/CD pipeline (supply chain attack), and disruption of critical development and deployment operations. This poses a significant risk to data confidentiality, system integrity, and operational availability.

Remediation Plan

Immediate Action: Apply the security updates released by Jenkins for the SAML Plugin immediately to patch the vulnerability. Concurrently, system administrators should begin monitoring for signs of exploitation and conduct a thorough review of access logs for any anomalous or unauthorized login activity preceding the patch.

Proactive Monitoring: Monitor Jenkins application and security logs for malformed or unusual SAML authentication requests, specifically those with signature validation errors or unexpected issuer values. Network traffic should be monitored for anomalous connections to the Jenkins web interface. Implement alerts for successful logins from previously unseen IP addresses or geolocations.

Compensating Controls: If immediate patching is not feasible, consider implementing the following controls:

• Restrict network access to the Jenkins instance, allowing connections only from trusted IP ranges or through a VPN.
• Deploy a Web Application Firewall (WAF) with rules specifically designed to inspect and block malformed or unsigned SAML assertions.
• Temporarily disable SAML-based authentication in favor of a different, secure authentication method until patching can be completed.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of October 29, 2025, there are no known public exploits or active exploitation campaigns targeting this vulnerability. However, vulnerabilities related to SAML signature validation are well-understood and exploits can be developed quickly. Given the critical role of Jenkins in enterprise environments, security researchers and threat actors are likely to prioritize analyzing this flaw.

Analyst Recommendation

This vulnerability presents a clear and present danger to the software supply chain. Due to the high CVSS score and the critical nature of the affected asset, we recommend that organizations prioritize the immediate patching of all affected Jenkins instances. Although this CVE is not yet on the CISA KEV list, its potential for enabling significant unauthorized access warrants an emergency-level response. Organizations should treat this as a critical priority and apply the vendor-supplied patch within their established timeframe for critical vulnerabilities.

Executive Summary:
A high-severity vulnerability has been identified in the Jenkins Git Parameter Plugin which, if exploited, could lead to a compromise of the affected Jenkins instance.

Vulnerability Details

CVE-ID: CVE-2025-53652

Affected Software: Jenkins Git Parameter Plugin

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The Jenkins Git Parameter Plugin is affected by an unspecified vulnerability. The provided details do not specify the exact flaw, attack vector, or the authentication level required for an attacker to exploit this issue.

Business Impact

A successful exploit of this vulnerability could have severe consequences for the CI/CD pipeline and development infrastructure. The assigned CVSS score of 8.2 (High) indicates a significant risk, potentially allowing an attacker to gain unauthorized access, manipulate build processes, or exfiltrate sensitive data such as source code and credentials. This poses a direct threat to operational integrity and intellectual property.

Remediation Plan

Immediate Action: Administrators must consult the vendor's security advisory and apply the recommended security updates to the Git Parameter Plugin immediately to mitigate this vulnerability.

Proactive Monitoring: Review Jenkins access and system logs for any unusual or unauthorized activity, particularly related to build jobs utilizing the Git Parameter Plugin.

Compensating Controls: If immediate patching is not feasible, consider implementing a Web Application Firewall (WAF) with rules designed to protect Jenkins and restrict access to the Jenkins instance to only trusted networks and authenticated users.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of July 10, 2025, there is no public information indicating active exploitation of this vulnerability. However, given the high-severity nature of the flaw and the ubiquity of Jenkins, the potential for future exploitation is high.

Analyst Recommendation

Given the critical role of Jenkins in software development and deployment pipelines, this vulnerability represents a significant risk to the organization. We strongly urge administrators to prioritize the remediation of this flaw by applying the vendor-supplied patches without delay. Proactive patching is the most effective method to prevent potential compromise of the CI/CD environment.

Executive Summary:
A high-severity vulnerability in the Jenkins Credentials Binding Plugin could allow an authenticated attacker to access sensitive credentials, potentially leading to privilege escalation and unauthorized access to integrated systems.

Vulnerability Details

CVE-ID: CVE-2025-53650

Affected Software: Jenkins Multiple Products

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: A flaw exists within the Jenkins Credentials Binding Plugin related to how it handles access to credentials. An authenticated attacker with permissions to configure jobs could potentially exploit this vulnerability to bind and access credentials beyond their intended scope.

Business Impact

A successful exploit could lead to a significant compromise of sensitive information, as an attacker could gain access to credentials stored within Jenkins. These credentials could then be used to pivot to other critical internal or external systems, resulting in a wider security breach. The assigned CVSS score of 7.3 (High) underscores the risk of privilege escalation and unauthorized access to critical assets.

Remediation Plan

Immediate Action: Administrators should consult the official Jenkins security advisory and apply the recommended updates to the Credentials Binding Plugin immediately.

Proactive Monitoring: Review Jenkins audit and access logs for any unusual or unauthorized modifications to job configurations or anomalous credential access patterns.

Compensating Controls: Employ a Web Application Firewall (WAF) with rules tailored to protect the Jenkins environment. This can provide a layer of defense by blocking suspicious requests targeting the application.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of July 10, 2025, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw and the high value of credentials, the potential for future exploitation is significant.

Analyst Recommendation

Given the critical function of the Credentials Binding Plugin, this vulnerability presents a direct threat to the security of any environment it is integrated with. We strongly recommend that administrators prioritize the application of the vendor-supplied patch without delay. Immediate remediation is the most effective way to mitigate the risk of credential theft and subsequent system compromise.