Description Summary:
The Argo Rollouts dashboard exposes critical, unauthenticated mutating API operations, allowing unauthorized users to manipulate rollout processes across accessible Kubernetes namespaces.

Executive Summary:
A critical vulnerability in the Argo Rollouts dashboard allows unauthenticated attackers to remotely trigger destructive or disruptive rollout operations, posing a severe risk to application availability.

Vulnerability Details

CVE-ID: CVE-2026-82277

Affected Software: Argoproj Argo Rollouts

Affected Versions: 0 through 1.10.0

Vulnerability: The vulnerability stems from a lack of authentication, authorization, and CSRF protection on the dashboard API, which binds to all network interfaces. An unauthenticated attacker can invoke sensitive functions including PromoteRollout, AbortRollout, and SetRolloutImage.

Business Impact

The ability to manipulate rollout operations without authentication allows an attacker to force unauthorized deployments, abort legitimate updates, or revert production environments to unstable states. With a CVSS score of 9.8, this flaw represents a critical threat to service integrity and business continuity, as it facilitates direct interference with the software delivery pipeline.

Remediation Plan

Immediate Action: Upgrade to a version of Argo Rollouts that includes authentication and authorization controls for the dashboard API. If an immediate update is not feasible, restrict network access to the dashboard interface to trusted management networks only.

Proactive Monitoring: Review Kubernetes audit logs and Argo Rollouts access logs for suspicious API calls originating from unauthorized or unexpected source IP addresses.

Compensating Controls: Deploy a Web Application Firewall or an Ingress controller with integrated authentication (such as OIDC or OAuth2 proxy) to gate access to the Argo Rollouts dashboard.

Exploitation Status

Public Exploit Available: No (Exploit available: unknown)

Analyst Notes: As of Aug 28, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The flaw is inherently dangerous due to the combination of unauthenticated network access and the ability to perform high-privilege administrative actions on Kubernetes resources.

Analyst Recommendation

This vulnerability is severe and requires immediate attention to prevent unauthorized control over deployment lifecycles. Security teams should prioritize patching the Argo Rollouts instance and verify that the dashboard is not exposed to public or untrusted networks as a baseline security requirement.

Description Summary:
The Argoproj argo-helm chart uses insecure default configurations for network policies, potentially allowing unauthorized network access.

Executive Summary:
Insecure default network policies in the Argoproj argo-helm chart create a high-risk scenario for unauthorized network access within Kubernetes environments.

Vulnerability Details

CVE-ID: CVE-2026-62185

Affected Software: Argoproj argo-helm

Affected Versions: 0 up to (excluding) 10.0.0

Vulnerability: This vulnerability involves the initialization of resources with insecure default network policies (CWE-1188). This allows an attacker with adjacent network access to potentially bypass network segmentation controls.

Business Impact

A failure to enforce network policies can lead to lateral movement within a Kubernetes cluster, facilitating unauthorized access to sensitive services. The CVSS score of 7.6 indicates a high risk to the overall network security posture of the containerized infrastructure.

Remediation Plan

Immediate Action: Update the argo-helm chart to version 10.0.0 or later to ensure secure network policy defaults are applied.

Proactive Monitoring: Audit existing Kubernetes network policies to identify any services that are improperly exposed due to these insecure defaults.

Compensating Controls: Use Kubernetes NetworkPolicies to manually restrict traffic to and from Argo CD components if an immediate chart update is not feasible.

Exploitation Status

Public Exploit Available: No

Analyst Notes: As of July 14, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The flaw represents an inherent risk in environments that rely on default chart configurations without hardening.

Analyst Recommendation

Security teams should prioritize updating the argo-helm chart to version 10.0.0. Given the nature of this vulnerability, it is critical to verify that updated network policies are correctly applied to the cluster to prevent potential unauthorized lateral movement.

Description Summary:
Argo Workflows contains an improper access control vulnerability that allows authenticated users to perform unauthorized operations, potentially impacting workflow execution and orchestration.

Executive Summary:
An improper access control vulnerability in Argo Workflows permits authenticated users to perform unauthorized actions, threatening the integrity of orchestrated container jobs.

Vulnerability Details

CVE-ID: CVE-2026-54526

Affected Software: Argoproj Argo Workflows

Affected Versions: < 3.7.15, >= 4.0.0, < 4.0.6

Vulnerability: The software suffers from improper access control (CWE-284), which allows an authenticated user to bypass intended permission restrictions. This flaw resides within the workflow orchestration engine, potentially allowing users with lower privileges to manipulate jobs or resources they should not access.

Business Impact

With a CVSS score of 8.9, this vulnerability presents a high risk to environment stability and data security. An attacker could potentially escalate privileges to manipulate parallel jobs, resulting in unauthorized data processing, destruction of workflow artifacts, or complete disruption of automated CI/CD pipelines.

Remediation Plan

Immediate Action: Update to Argo Workflows version 3.7.15 or 4.0.6, depending on the current branch, to address the access control flaws.

Proactive Monitoring: Monitor Kubernetes logs for unexpected workflow modifications or resource access requests originating from user accounts that lack the necessary role-based access control (RBAC) permissions.

Compensating Controls: Tighten RBAC policies within the Kubernetes cluster to limit the scope of user permissions and ensure that service accounts utilized by Argo Workflows adhere to the principle of least privilege.

Exploitation Status

Public Exploit Available: No (Exploit data is unknown).

Analyst Notes: As of July 17, 2026, there is no public information indicating active exploitation or a public proof-of-concept for this vulnerability. The flaw requires an authenticated user to trigger, which slightly lowers the risk profile compared to unauthenticated vulnerabilities.

Analyst Recommendation

Organizations relying on Argo Workflows for critical infrastructure orchestration should treat this as a priority. Administrators must audit current RBAC configurations and apply the vendor-provided updates immediately to prevent potential unauthorized access and subsequent workload manipulation.

Description Summary:
ServerSideDiff in Argo CD 3 allows low-privileged users to read cleartext Kubernetes Secret data.

Executive Summary:
A sensitive information disclosure vulnerability in Argo CD allows authenticated users to read cleartext Kubernetes Secret data via ServerSideDiff.

Vulnerability Details

CVE-ID: CVE-2026-43824

Affected Software: argoproj Argo CD

Affected Versions: 3.2.0 up to (excluding) 3.2.11, 3.3.0 up to (excluding) 3.3.9

Vulnerability: This is an improper removal of sensitive information before storage or transfer flaw (CWE-212) located in the ServerSideDiff component, triggered by an authenticated attacker with low privileges.

Business Impact

A successful exploit permits unauthorized individuals to view sensitive Kubernetes Secret data in cleartext, leading to potential credential harvesting and lateral movement across the infrastructure. With a CVSS score of 7.7, this high severity vulnerability threatens confidentiality and exposes critical internal assets.

Remediation Plan

Immediate Action: Update Argo CD to version 3.2.11 or 3.3.9, or apply the official vendor security updates immediately.

Proactive Monitoring: Monitor API server logs for unusual ServerSideDiff requests and review audit trails for unexpected Secret access patterns.

Compensating Controls: Restrict user role bindings and RBAC permissions in Argo CD to ensure only trusted operators have access to diff functionality until patches are applied.

Exploitation Status

Public Exploit Available: No - unknown

Analyst Notes: As of May 3, 2026, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The presence of a proof-of-concept increases the urgency for remediation.

Analyst Recommendation

This high severity vulnerability demands prompt attention due to the risk of exposing sensitive cryptographic keys and credentials stored in Kubernetes Secrets. System administrators must apply the provided software updates immediately to maintain cluster confidentiality and integrity.

Description Summary:
A missing authorization gap in Argo CD allows read-only users to extract plaintext Kubernetes Secret data via the ServerSideDiff endpoint.

Executive Summary:
A critical authorization vulnerability in Argo CD allows attackers with read-only access to extract sensitive Kubernetes Secret data, requiring immediate patching.

Vulnerability Details

CVE-ID: CVE-2026-42880

Affected Software: Argo CD

Affected Versions: 3.2.0 to 3.2.10 and 3.3.0 to 3.3.8

Vulnerability: The ServerSideDiff endpoint fails to properly mask sensitive data during dry-run operations, allowing unauthorized extraction of plaintext Kubernetes Secrets.

Business Impact

With a CVSS score of 9.6, this vulnerability is severe as it directly leads to the compromise of sensitive credentials stored within the Kubernetes cluster. This can facilitate lateral movement and further exploitation of the entire infrastructure.

Remediation Plan

Immediate Action: Upgrade to Argo CD versions 3.2.11 or 3.3.9 or later.

Proactive Monitoring: Review audit logs for unusual access to the ServerSideDiff endpoint and check for unexpected secret access patterns.

Compensating Controls: Limit access to the Argo CD API to authorized users only and implement strict RBAC policies within the Kubernetes cluster.

Exploitation Status

Public Exploit Available: No

Analyst Notes: As of May 7, 2026, there is no public information indicating active exploitation. Given the sensitivity of the data at risk, immediate mitigation is required.

Analyst Recommendation

Upgrade to the patched versions immediately. Audit all Kubernetes Secrets currently managed by Argo CD to determine if they have been exposed and rotate any potentially compromised credentials.

Description Summary:
Argo Workflows contains a high-severity vulnerability that could impact the security of container-native job orchestration on Kubernetes.

Executive Summary:
A security vulnerability in Argo Workflows may allow attackers to compromise the integrity of containerized job orchestration on Kubernetes clusters.

Vulnerability Details

CVE-ID: CVE-2026-42296

Affected Software: Argo Workflows

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability affects Argo Workflows, an engine used for orchestrating parallel jobs on Kubernetes. The exact technical nature of the exploit is currently being detailed by the vendor.

Business Impact

With a CVSS score of 8.1, this vulnerability presents a high risk to Kubernetes-based operations. Compromise of the workflow engine could allow an attacker to execute arbitrary jobs, steal secrets from the cluster, or disrupt critical business processes that rely on parallel job execution.

Remediation Plan

Immediate Action: Apply vendor security updates immediately to the Argo Workflows controller and associated components.

Proactive Monitoring: Review Kubernetes audit logs for suspicious job submissions, unexpected container executions, or unauthorized access attempts to the Argo API.

Compensating Controls: Implement Kubernetes Network Policies to restrict the communication capabilities of the Argo Workflows pods and minimize the blast radius of a potential compromise.

Exploitation Status

Public Exploit Available: False

Analyst Notes: As of May 10, 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 role of Argo Workflows in orchestrating containerized jobs, this vulnerability must be treated with high priority. Administrators should monitor vendor channels for patches and prepare for an urgent deployment to secure their Kubernetes environments.

Description Summary:
A vulnerability in Argo Workflows allows authenticated users to trigger a controller-wide panic via a malformed pod annotation, resulting in a persistent denial of service.

Executive Summary:
A critical denial of service vulnerability in Argo Workflows permits authenticated users to crash the controller process, halting all workflow operations until manual intervention occurs.

Vulnerability Details

CVE-ID: CVE-2026-40886

Affected Software: Argoproj Argo Workflows

Affected Versions: 4.0.0 through 4.0.4, 3.7.0 through 3.7.13, 3.6.5 through 3.6.19

Vulnerability: This flaw involves improper validation of an array index within the podGCFromPod function, which is triggered when a user provides a malformed workflows.argoproj.io/pod-gc-strategy annotation. An authenticated user with sufficient permissions to create or modify workflows can cause the controller to enter a crash loop that persists across restarts.

Business Impact

Successful exploitation results in a complete, persistent denial of service for the Argo Workflows controller. Given the CVSS score of 7.7, the impact on availability is high, as it prevents the orchestration of all parallel jobs and automated workflows. This disruption can lead to significant operational downtime for containerized environments relying on Argo for CI/CD or data processing pipelines.

Remediation Plan

Immediate Action: Upgrade to Argo Workflows version 4.0.5 or 3.7.14, which contain the necessary fixes for the array index validation error.

Proactive Monitoring: Monitor Kubernetes controller logs for repeated panic events or restart loops associated with the podGCFromPod function.

Compensating Controls: Implement strict role-based access control (RBAC) policies to limit which users can define or modify workflow annotations, thereby reducing the attack surface.

Exploitation Status

Public Exploit Available: Unknown.

Analyst Notes: As of April 25, 2026, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The vulnerability is highly effective at causing service disruption because the poisoned pod persists in the cluster, forcing the controller to crash immediately upon every restart attempt.

Analyst Recommendation

Organizations utilizing Argo Workflows must prioritize patching to the identified secure versions immediately. Since the vulnerability allows for a persistent denial of service that requires manual deletion of the malicious pod to recover, the risk of operational impact is severe for production environments. Applying the update is the only effective way to prevent unauthorized users from forcing a controller crash loop.

Description Summary:
Argo Workflows template endpoints allow unauthenticated clients to leak sensitive WorkflowTemplates and Secret manifests by providing a malformed "Bearer nothing" authorization token.

Executive Summary:
A critical authentication bypass in Argo Workflows allows unauthenticated attackers to exfiltrate sensitive secrets and configuration data from Kubernetes environments.

Vulnerability Details

CVE-ID: CVE-2026-28229

Affected Software: ArgoProj Argo Workflows

Affected Versions: Prior to 4.0.2 and 3.7.11

Vulnerability: The application fails to properly validate authorization tokens on WorkflowTemplates and ClusterWorkflowTemplates endpoints. By submitting an "Authorization: Bearer nothing" header, an unauthenticated attacker can bypass security checks to retrieve sensitive template content, including embedded Kubernetes Secret manifests.

Business Impact

The exposure of Secret manifests can lead to the compromise of cloud credentials, database passwords, and API keys, facilitating a full-scale breach of the Kubernetes cluster. With a CVSS score of 9.8, this vulnerability poses a severe risk to the confidentiality and integrity of automated CI/CD pipelines and infrastructure.

Remediation Plan

Immediate Action: Upgrade Argo Workflows to version 4.0.2, 3.7.11, or later to patch the authentication logic.

Proactive Monitoring: Audit Kubernetes logs for unusual access patterns to the WorkflowTemplates endpoints, specifically looking for requests with malformed or placeholder Bearer tokens.

Compensating Controls: Implement Network Policies to restrict access to the Argo Workflows API to authorized users and services within the cluster.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of Mar 11, 2026, there is no public information indicating active exploitation of this vulnerability. However, the ease of exploitation via a simple header manipulation makes this a high-priority target for attackers.

Analyst Recommendation

The risk of secret leakage in a containerized environment is a critical threat that can lead to catastrophic downstream compromises. Immediate application of the official patches is required to secure sensitive workflow configurations and prevent unauthorized data exfiltration.

Description Summary:
A vulnerability in the Argo CD repo-server allows an unauthenticated attacker with network access to achieve remote code execution.

Executive Summary:
Argo CD contains a critical remote code execution vulnerability that allows an unauthenticated attacker with network access to the repo-server to take full control of the affected component.

Vulnerability Details

CVE-ID: CVE-2026-15416

Affected Software: Argoproj argo-helm, Red Hat OpenShift GitOps

Affected Versions: All versions prior to 10.0.0

Vulnerability: This is a CWE-306 Missing Authentication for Critical Function vulnerability, which permits an unauthenticated attacker to interact with the repo-server and execute arbitrary code.

Business Impact

With a CVSS score of 8.9, this vulnerability represents a critical risk to GitOps infrastructure. Successful exploitation could lead to full system compromise, unauthorized access to sensitive deployment configurations, and potential lateral movement within the OpenShift or Kubernetes environment.

Remediation Plan

Immediate Action: Apply available security patches provided by your vendor immediately, and restrict network access to the Argo CD repo-server to trusted internal networks only.

Proactive Monitoring: Monitor access logs for the repo-server for unauthorized connection attempts or unusual process execution patterns.

Compensating Controls: Implement strict network segmentation or firewall rules to ensure the repo-server is not accessible from untrusted or public network segments.

Exploitation Status

Public Exploit Available: No confirmed public exploit (per curated sources)

Analyst Notes: As of July 15, 2026, there is no public information indicating active exploitation in the wild, though security publications have highlighted the risk. Given the severity, the absence of a confirmed public exploit should not be taken as a signal of low risk.

Analyst Recommendation

This vulnerability is highly severe and requires immediate attention. Organizations should prioritize patching their Argo CD instances and enforcing network-level access controls to mitigate the potential for remote code execution.

Description Summary:
Argo Workflows contains a path traversal vulnerability in its untar process, allowing authenticated attackers to overwrite critical files and achieve OS command execution.

Executive Summary:
A critical path traversal vulnerability in Argo Workflows permits authenticated attackers to overwrite sensitive system files and execute arbitrary commands, leading to potential system compromise.

Vulnerability Details

CVE-ID: CVE-2025-66626

Affected Software: Argoproj Argo Workflows

Affected Versions: < 3.6.14, 3.7.0 through 3.7.4, <= 2.5.3-rc4

Vulnerability: This vulnerability involves unsafe handling of symbolic links within archives during the untar process. An authenticated attacker can exploit this flaw to overwrite the critical file /var/run/argo/argoexec with a malicious script, which is subsequently executed upon pod startup.

Business Impact

The exploitation of this flaw allows an attacker to achieve OS command injection, which can lead to full container compromise, lateral movement within the Kubernetes cluster, and potential exfiltration of sensitive data. With a CVSS score of 8.1, this represents a high-severity risk that could result in significant operational disruption and loss of integrity for the affected workflow orchestration environment.

Remediation Plan

Immediate Action: Upgrade to Argo Workflows version 3.6.14 or 3.7.5 immediately to incorporate the necessary security patches for the untar function.

Proactive Monitoring: Monitor container logs and Kubernetes audit logs for unusual file modification patterns or unauthorized process execution originating from the argoexec binary.

Compensating Controls: Implement strict Kubernetes Network Policies to limit pod communication and ensure that container images are scanned for malicious artifacts prior to deployment.

Exploitation Status

Public Exploit Available: No

Analyst Notes: As of December 12, 2025, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The vulnerability is inherently dangerous because it bypasses previous security controls meant to address similar archive-based attacks.

Analyst Recommendation

Given the potential for remote code execution within the containerized environment, organizations should prioritize patching to the versions identified above. Security teams must treat this vulnerability with high urgency and verify that all workflow executors are running the updated, hardened code to prevent unauthorized command execution.

Description Summary:
Argo Workflows contains a Zip Slip path traversal vulnerability allowing attackers to overwrite arbitrary files within the container during artifact extraction.

Executive Summary:
A path traversal vulnerability in Argo Workflows permits authenticated attackers to achieve arbitrary file writes, potentially leading to container privilege escalation.

Vulnerability Details

CVE-ID: CVE-2025-62156

Affected Software: Argoproj Argo Workflows

Affected Versions: < 3.6.12, >= 3.7.0, < 3.7.3

Vulnerability: This is a Zip Slip path traversal flaw (CWE-22) located in the artifact extraction logic within workflow/executor/executor.go. The vulnerability allows an authenticated user to craft malicious archive entries that bypass directory restrictions, enabling the overwrite of system files such as /etc/passwd or /etc/crontab.

Business Impact

Successful exploitation of this vulnerability allows an attacker to modify critical system configurations within the container environment. This can lead to full privilege escalation, persistent unauthorized access, or the disruption of workflow execution, posing a significant risk to the integrity of the containerized environment. The CVSS score of 8.1 reflects the high impact on integrity and availability.

Remediation Plan

Immediate Action: Update Argo Workflows to version 3.6.12 or 3.7.3 immediately to incorporate the necessary validation logic for artifact extraction.

Proactive Monitoring: Review container logs for unusual file access patterns or unexpected execution of processes in system directories.

Compensating Controls: Implement strict Kubernetes Network Policies and Pod Security Admissions to limit the impact if a container is compromised, and ensure that workflow containers run with the minimum necessary filesystem permissions.

Exploitation Status

Public Exploit Available: Unknown.

Analyst Notes: As of October 15, 2025, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The vulnerability is inherently dangerous because it allows direct manipulation of the container root filesystem during archive processing.

Analyst Recommendation

Given the potential for privilege escalation and persistence, organizations should prioritize patching their Argo Workflows deployments to the specified fixed versions. Verification of the update should be performed immediately to ensure that the artifact extraction path validation is correctly enforced.

Description Summary:
An unauthenticated denial of service vulnerability in Argo CD allows remote attackers to crash the argocd-server process by sending a crafted Azure DevOps webhook request with an empty resource list.

Executive Summary:
A critical denial of service vulnerability in Argo CD allows unauthenticated attackers to crash the main server process, leading to significant service disruption.

Vulnerability Details

CVE-ID: CVE-2025-59538

Affected Software: Argo Project Argo CD

Affected Versions: 2.9.0-rc1 through 2.14.19, 3.0.0-rc1 through 3.2.0-rc1, 3.1.0-rc1 through 3.1.7, and 3.0.0-rc1 through 3.0.18.

Vulnerability: This is an improper handling of exceptional conditions (CWE-703) occurring when the /api/webhook endpoint processes an Azure DevOps Push event with an empty resource.refUpdates array. The lack of a length check results in an index-out-of-range panic, which terminates the entire argocd-server process without requiring any authentication.

Business Impact

The ability for an unauthenticated remote attacker to trigger a process crash results in a high impact on availability. Because Argo CD is a core component of continuous delivery pipelines, a successful exploit will halt all automated deployments and GitOps synchronization tasks, potentially leading to widespread operational downtime. With a CVSS score of 7.5, this vulnerability represents a high risk to business continuity that necessitates immediate attention.

Remediation Plan

Immediate Action: Upgrade Argo CD to version 2.14.20, 3.2.0-rc2, 3.1.8, or 3.0.19 as appropriate for your deployment branch.

Proactive Monitoring: Monitor server logs and Kubernetes pod restart events for repeated crashes associated with the /api/webhook endpoint or unexpected panic errors.

Compensating Controls: Deploy a Web Application Firewall (WAF) or ingress controller rule to restrict access to the /api/webhook endpoint to only known, trusted IP ranges or specific Azure DevOps service IPs.

Exploitation Status

Public Exploit Available: Unknown

Analyst Notes: As of October 2, 2025, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The vulnerability is highly automatable due to the lack of required authentication.

Analyst Recommendation

Given the ease of exploitation and the critical nature of the affected service, organizations should prioritize patching their Argo CD instances. The ability for an unauthenticated user to cause a full service crash makes this a high-priority item for any team managing Kubernetes continuous delivery workflows. Please verify your current version and apply the vendor-provided fixes immediately to prevent potential service disruption.

Description Summary:
Argo CD is vulnerable to a denial of service attack via a NULL pointer dereference triggered by unauthenticated, malformed Gogs webhook requests to the API server.

Executive Summary:
Argo CD is vulnerable to an unauthenticated denial of service attack that can crash the API server process, potentially disrupting continuous delivery pipelines.

Vulnerability Details

CVE-ID: CVE-2025-59537

Affected Software: Argo Project Argo CD

Affected Versions: 1.2.0 through 1.8.7, 2.0.0-rc1 through 2.14.19, 3.0.0-rc1 through 3.2.0-rc1, 3.1.7, 3.0.18

Vulnerability: The application suffers from improper input validation leading to a NULL pointer dereference when processing Gogs push events. An unauthenticated attacker can send a crafted JSON payload to the /api/webhook endpoint, which causes the argocd-server process to crash.

Business Impact

Successful exploitation results in a complete denial of service for the Argo CD API server. Given that Argo CD is a critical component for automated deployment and GitOps workflows, this crash prevents legitimate users from managing clusters or deploying applications, directly impacting operational availability. With a CVSS score of 7.5, the vulnerability is classified as High due to the ease of exploitation by unauthenticated remote attackers.

Remediation Plan

Immediate Action: Upgrade to Argo CD version 2.14.20, 3.2.0-rc2, 3.1.8, or 3.0.19 to incorporate the necessary input validation fix.

Proactive Monitoring: Monitor the argocd-server logs for repeated process restarts or unexpected panic errors originating from the /api/webhook endpoint.

Compensating Controls: Implement a Web Application Firewall (WAF) or ingress controller rule to restrict access to the /api/webhook endpoint to known, trusted Gogs IP addresses.

Exploitation Status

Public Exploit Available: Unknown

Analyst Notes: As of October 2, 2025, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The flaw is inherently dangerous because it requires no authentication to trigger a service crash.

Analyst Recommendation

Organizations utilizing Argo CD should prioritize the identified patch versions to prevent service disruption. Given the ease of triggering this crash from an unauthenticated remote position, patching should be scheduled immediately to ensure the resilience of your continuous delivery infrastructure.

Description Summary:
A vulnerability in Argo CD allows unauthenticated attackers to trigger a denial of service by sending a malformed Bitbucket Server webhook payload that crashes the API server.

Executive Summary:
An unauthenticated remote denial of service vulnerability in Argo CD can lead to a complete API server outage by triggering a crash loop with a single malicious request.

Vulnerability Details

CVE-ID: CVE-2025-59531

Affected Software: Argoproj Argo CD

Affected Versions: 1.2.0 through 1.8.7, 2.0.0-rc1 through 2.14.19, 3.0.0-rc1 through 3.2.0-rc1, 3.1.7, and 3.0.18

Vulnerability: This is an improper handling of exceptional conditions (CWE-703) occurring at the /api/webhook endpoint. When the webhook.bitbucketserver.secret is not configured, an unauthenticated attacker can send a malformed Bitbucket Server payload to crash the API server, resulting in a denial of service.

Business Impact

The exploitation of this vulnerability results in a total loss of availability for the Argo CD API server, disrupting continuous delivery pipelines and GitOps operations. Because the attack vector is unauthenticated and automatable, it poses a significant risk to organizational uptime. With a CVSS score of 7.5, the impact is considered High due to the ease of triggering a persistent service disruption.

Remediation Plan

Immediate Action: Upgrade to Argo CD version 2.14.20, 3.2.0-rc2, 3.1.8, or 3.0.19 to incorporate the necessary fix for payload validation.

Proactive Monitoring: Monitor API server logs for repeated CrashLoopBackOff events or frequent entries related to malformed webhook payloads.

Compensating Controls: Ensure the webhook.bitbucketserver.secret is configured to prevent unauthorized payload processing, and utilize a Web Application Firewall to filter traffic to the /api/webhook endpoint.

Exploitation Status

Public Exploit Available: No

Analyst Notes: As of October 2, 2025, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The vulnerability is inherently dangerous because it requires no authentication to trigger a crash that affects all replicas of the API service.

Analyst Recommendation

Given the ease of exploit and the critical nature of the Argo CD service in infrastructure management, administrators should prioritize patching to the identified secure versions immediately. Failure to address this vulnerability could lead to intentional or accidental service outages that halt all automated deployment processes within the Kubernetes environment.

Description Summary:
Argo CD contains an information disclosure vulnerability where API tokens with limited permissions can retrieve sensitive repository credentials via the project details API endpoint.

Executive Summary:
A critical information disclosure vulnerability in Argo CD allows authenticated users with limited permissions to escalate their access by retrieving sensitive repository credentials.

Vulnerability Details

CVE-ID: CVE-2025-55190

Affected Software: Argoproj Argo CD

Affected Versions: 2.13.0-2.13.8, 2.14.0-2.14.15, 3.0.0-3.0.12, 3.1.0-rc1-3.1.1

Vulnerability: This vulnerability involves the improper exposure of sensitive information via the project details API endpoint. Any authenticated user holding project get permissions, including those with global roles, can access usernames and passwords for configured repositories, exceeding their intended authorization level.

Business Impact

The exposure of repository credentials poses a severe risk to organizational security, as it grants attackers the ability to access private source code, internal CI/CD pipelines, and potentially deploy malicious code into production environments. With a CVSS score of 9.9, this vulnerability represents a critical threat to the confidentiality and integrity of the entire software supply chain. Successful exploitation could lead to widespread unauthorized access and significant reputational damage.

Remediation Plan

Immediate Action: Upgrade Argo CD to versions 2.13.9, 2.14.16, 3.0.14, or 3.1.2 immediately to resolve the credential exposure flaw.

Proactive Monitoring: Review API access logs for unusual patterns of requests to the project details endpoint, specifically monitoring for accounts that lack administrative privileges yet frequently query sensitive configuration data.

Compensating Controls: Implement strict role-based access controls to limit the number of users with project get permissions and employ network segmentation to restrict access to the Argo CD API to authorized internal networks only.

Exploitation Status

Public Exploit Available: Unknown.

Analyst Notes: As of Sep 4, 2025, there is no public information indicating active exploitation or a published weaponized exploit for this vulnerability. While a Nuclei detection template exists, it is not a functional exploit. The flaw is inherently dangerous due to the ease with which a low-privileged user can extract high-value secrets, making rapid patching essential.

Analyst Recommendation

Given the critical CVSS severity and the nature of the information exposed, this vulnerability must be treated as a high priority for remediation. Organizations should audit their current Argo CD deployments to identify vulnerable versions and apply the provided security updates immediately to protect their GitOps infrastructure from unauthorized credential access.