Executive Summary:
A critical vulnerability has been identified in Avigilon Access Control Manager (ACM) software that could allow a remote attacker to take complete control of the system. This flaw, resulting from a Host Header Injection, can be exploited by sending a specially crafted URL, enabling the attacker to execute arbitrary code, potentially leading to unauthorized physical access, data theft, and disruption of security operations.

Vulnerability Details

CVE-ID: CVE-2025-56266

Affected Software: Avigilon Access Control Manager (ACM)

Affected Versions: Version 7.10.0.20 is confirmed vulnerable. See vendor advisory for a complete list of specific affected versions and products.

Vulnerability: The vulnerability exists because the Avigilon ACM application improperly validates the Host header in incoming HTTP requests. An unauthenticated remote attacker can exploit this by sending a web request with a malicious, specially crafted Host header. The application then uses this untrusted input in a way that leads to arbitrary code execution on the server, allowing the attacker to gain full control over the underlying system hosting the ACM software.

Business Impact

This vulnerability is rated as critical severity with a CVSS score of 9.8. Successful exploitation could have a severe impact on the organization, leading to a complete compromise of the Avigilon Access Control Manager system. Potential consequences include unauthorized physical access to facilities managed by the ACM, theft of sensitive data, disruption of security operations, and the ability for an attacker to establish a persistent foothold in the corporate network for further attacks. The compromise of a physical access control system represents a significant threat to both digital and physical security.

Remediation Plan

Immediate Action: Immediately apply the security patches provided by the vendor to update Avigilon ACM to the latest, non-vulnerable version. After patching, it is crucial to monitor for any signs of exploitation attempts by reviewing web server access logs and application logs for unusual or malformed Host headers.

Proactive Monitoring: Implement continuous monitoring of web server and application logs for requests containing unusual or mismatched Host headers. Monitor network traffic to and from the ACM server for anomalous patterns, such as connections to unknown external IP addresses. System-level monitoring should be in place to detect unexpected processes, file modifications, or unauthorized user account activity on the server hosting the ACM software.

Compensating Controls: If immediate patching is not feasible, implement the following compensating controls:

• Use a Web Application Firewall (WAF) with rules designed to inspect and block requests with malicious or unexpected Host headers.
• Restrict network access to the ACM management interface, allowing connections only from trusted internal IP ranges.
• Configure the underlying web server (e.g., Apache, Nginx, IIS) to validate the Host header against a whitelist of known, legitimate hostnames.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of the publication date (Sep 8, 2025), there are no known public proof-of-concept exploits or reports of this vulnerability being actively exploited in the wild. However, given the critical severity and the direct path to remote code execution, security researchers and threat actors are likely to develop exploits rapidly.

Analyst Recommendation

Due to the critical CVSS score of 9.8 and the risk of complete system compromise, it is our strong recommendation to prioritize patching all vulnerable Avigilon ACM instances immediately. A successful exploit could lead to a severe breach of both physical and cybersecurity. Although this CVE is not yet listed on the CISA KEV catalog, its severity makes it a prime candidate for future inclusion. Organizations should treat this as an emergency and apply the vendor-supplied updates without delay.

Executive Summary:
A high-severity vulnerability has been identified in the Chat Trigger component affecting multiple products, including N8N v1. This flaw allows an unauthenticated attacker to upload arbitrary files, which could lead to the execution of malicious code and a complete compromise of the affected server. Organizations are urged to apply vendor-provided security updates immediately to mitigate the significant risk of data theft and system takeover.

Vulnerability Details

CVE-ID: CVE-2025-56265

Affected Software: Chat Trigger Multiple Products

Affected Versions: N8N v1 and other products utilizing the affected Chat Trigger component. See vendor advisory for specific affected versions.

Vulnerability: The vulnerability is an arbitrary file upload within the Chat Trigger component. An attacker can exploit this flaw by crafting a malicious request to the application's file upload functionality, bypassing any intended file type or size restrictions. By uploading a file containing executable code (such as a web shell), the attacker can subsequently trigger its execution on the server, leading to Remote Code Execution (RCE) with the privileges of the web server application.

Business Impact

This is a High severity vulnerability with a CVSS score of 8.8. Successful exploitation could have a severe impact on the business, leading to a full compromise of the underlying server. Potential consequences include unauthorized access to sensitive corporate or customer data, data exfiltration, service disruption, and the ability for an attacker to use the compromised system as a pivot point to attack other internal network resources. The direct business risks include reputational damage, financial loss from remediation efforts and operational downtime, and potential regulatory penalties for data breaches.

Remediation Plan

Immediate Action: Apply vendor security updates immediately across all affected systems to patch the vulnerability. Following the update, it is crucial to monitor for any signs of exploitation attempts that may have occurred prior to patching by thoroughly reviewing application and web server access logs for suspicious activity.

Proactive Monitoring: Security teams should actively monitor for indicators of compromise. This includes looking for unusual file uploads in web-accessible directories (e.g., files with extensions like .php, .jsp, .aspx), unexpected outbound network connections from the server, and anomalous CPU or memory usage. Review HTTP logs for POST requests to file upload endpoints that contain suspicious filenames or content types.

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

• Deploy a Web Application Firewall (WAF) with rules to inspect and block malicious file upload attempts.
• Strictly limit file upload functionality to trusted users and enforce a whitelist of allowed file types and extensions.
• Configure the web server to prevent the execution of scripts in directories where files are uploaded.
• Utilize an endpoint detection and response (EDR) solution to detect and block the execution of suspicious files or processes.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of September 8, 2025, there are no known public exploits or active exploitation campaigns targeting this vulnerability. However, due to the high CVSS score and the critical impact of remote code execution, it is highly probable that proof-of-concept exploits will be developed and released by security researchers or threat actors in the near future.

Analyst Recommendation

Given the high severity (CVSS 8.8) of this vulnerability, we strongly recommend that organizations prioritize the immediate application of the vendor-supplied patches to all affected systems. Although this CVE is not currently listed on the CISA KEV catalog, its critical nature makes it a prime candidate for future inclusion and a valuable target for attackers. If patching is delayed, the compensating controls outlined above should be implemented without delay to mitigate the significant risk of a system compromise.

Executive Summary:
A high-severity vulnerability has been identified in SigningHub v8, a product from the vendor "lack". The flaw, a lack of rate limiting on a file upload component, could allow an attacker to send a flood of requests, overwhelming the system and causing a denial-of-service, making the application unavailable for legitimate users and disrupting business operations.

Vulnerability Details

CVE-ID: CVE-2025-56223

Affected Software: lack Multiple Products

Affected Versions: SigningHub v8. See vendor advisory for specific affected versions.

Vulnerability: The vulnerability exists within the /Home/UploadStreamDocument component, which fails to implement rate limiting. An unauthenticated attacker can exploit this by sending a massive volume of file upload requests in a short period. This action can exhaust server resources such as CPU, memory, network bandwidth, and disk space, leading to a denial-of-service (DoS) condition that renders the SigningHub application unresponsive and inaccessible to all users.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 7.5. Exploitation could lead to significant business disruption by making the critical document signing service unavailable. The direct consequences include operational downtime, loss of productivity, potential financial losses from interrupted business processes, and damage to the organization's reputation. The primary risk is a prolonged service outage affecting all users who rely on the SigningHub platform for their workflows.

Remediation Plan

Immediate Action: Apply the security updates provided by the vendor immediately to all affected systems. Before deploying to production, it is recommended to test the patches in a non-production environment to ensure stability. Concurrently, actively monitor for exploitation attempts by reviewing web server and application access logs for anomalous activity targeting the affected component.

Proactive Monitoring: Security teams should configure monitoring and alerting for an abnormally high number of POST requests to the /Home/UploadStreamDocument endpoint, particularly from a single source IP address or subnet. Monitor server performance metrics (CPU utilization, memory usage, disk I/O) for sudden and sustained spikes that could indicate an ongoing DoS attack.

Compensating Controls: If immediate patching is not feasible, implement a Web Application Firewall (WAF) or a reverse proxy to enforce rate limiting on the /Home/UploadStreamDocument endpoint. Configure rules to temporarily block IP addresses that exceed a reasonable request threshold within a given timeframe.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of October 20, 2025, there are no known public exploits or active exploitation campaigns targeting this vulnerability. However, due to the straightforward nature of rate-limiting attacks, it is highly probable that proof-of-concept exploits could be developed quickly by threat actors.

Analyst Recommendation

Given the High severity rating and the significant potential for business disruption, it is strongly recommended that the organization prioritize the deployment of the vendor-supplied security patches across all affected SigningHub instances. Although this vulnerability is not currently listed on the CISA KEV (Known Exploited Vulnerabilities) catalog, its impact on service availability warrants immediate attention. If patching is delayed for any reason, the implementation of compensating controls, such as WAF-based rate limiting, should be considered an urgent and critical temporary measure to mitigate risk.

Executive Summary:
A high-severity vulnerability has been identified in SigningHub v8, which stems from an incorrect access control mechanism. This flaw could allow a low-privileged authenticated user to gain unauthorized access to view, modify, or sign sensitive documents, potentially compromising data confidentiality and integrity. Organizations using the affected software are exposed to risks of data leakage, unauthorized actions, and legal or financial repercussions.

Vulnerability Details

CVE-ID: CVE-2025-56219

Affected Software: Multiple Products (Specifically SigningHub)

Affected Versions: SigningHub Version 8. See vendor advisory for a complete list of specific affected versions and products.

Vulnerability: The vulnerability is an incorrect access control, often referred to as a Broken Access Control flaw. An authenticated attacker with low-level privileges can exploit this by manipulating specific parameters in their requests to the application server. This could allow them to bypass security checks and perform actions on behalf of other users, including those with higher privileges. The exploit does not require advanced technical skills and could be accomplished by altering identifiers in API calls or URL parameters to access resources that should be restricted.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 7.5. Exploitation could lead to significant business impact, including the breach of confidential information stored within the document signing platform, such as contracts, financial records, and personal data. An attacker could potentially view, alter, or forge signatures on critical documents, leading to a loss of data integrity and non-repudiation. This poses a direct risk of financial fraud, contractual disputes, reputational damage, and non-compliance with data protection regulations.

Remediation Plan

Immediate Action: The primary remediation is to apply the security updates released by the vendor immediately. After patching, system administrators should review application and server access logs for any signs of unauthorized document access or unusual user activity that may indicate a prior compromise.

Proactive Monitoring: Implement continuous monitoring of application logs, focusing on access control events. Look for anomalies such as a single user account attempting to access a large number of documents in a short period, or requests to access resources that are outside of the user's typical role or permissions. Monitor for direct object reference attempts in web traffic.

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

• Deploy a Web Application Firewall (WAF) with rules specifically designed to detect and block parameter manipulation and forced browsing attempts.
• Enforce strict access reviews for all user accounts on the platform to ensure the principle of least privilege is maintained.
• Implement multi-factor authentication (MFA) for all users to add an extra layer of security against account compromise.

Exploitation Status

Public Exploit Available: False

Analyst Notes: As of October 20, 2025, there are no known public proof-of-concept exploits or active exploitation of this vulnerability in the wild. However, due to the nature of access control flaws, exploits can be developed quickly once the vulnerability details are known. Threat actors may target document management systems to gain access to sensitive corporate or personal information.

Analyst Recommendation

Given the high CVSS score of 7.5 and the critical function of the affected software, we strongly recommend that organizations prioritize the deployment of the vendor-supplied patches. Although this vulnerability is not currently listed on the CISA KEV catalog, its potential impact on data confidentiality and integrity presents a significant risk. Patching should be completed in accordance with your organization's vulnerability management policy for high-severity findings.

Executive Summary:
A high-severity vulnerability has been identified in the phpgurukul Hospital Management System, a product used for managing sensitive hospital operations and patient data. This flaw could allow an unauthenticated remote attacker to bypass security controls and gain unauthorized access to the system's database. Successful exploitation could lead to a complete compromise of confidential patient records, operational disruption, and significant reputational damage.

Vulnerability Details

CVE-ID: CVE-2025-56216

Affected Software: phpgurukul Hospital Management System

Affected Versions: 4.0

Vulnerability: The vulnerability is a pre-authentication SQL injection flaw in the user login interface of the Hospital Management System. An unauthenticated attacker can send a specially crafted SQL query to the login parameter, which is improperly sanitized before being processed by the backend database. By manipulating this input, an attacker can bypass the authentication mechanism, exfiltrate sensitive data from the database—including patient records (PHI), staff credentials, and administrative information—or potentially achieve remote code execution on the underlying server, depending on database permissions.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 8.5. Exploitation could have severe consequences for the organization, leading to a major data breach of Protected Health Information (PHI). The potential business impact includes significant regulatory fines under frameworks like HIPAA, substantial reputational damage, and a loss of patient trust. Furthermore, the alteration or deletion of critical medical data could directly impact patient safety and disrupt essential hospital operations.

Remediation Plan

Immediate Action: Apply the security updates released by the vendor to all affected systems immediately. Prioritize patching for systems that are accessible from the internet. After patching, review access logs and database logs for any signs of compromise or attempted exploitation that may have occurred before the patch was applied.

Proactive Monitoring: Implement enhanced monitoring of the application and underlying infrastructure. Security teams should look for unusual or malformed SQL queries in web server access logs and database query logs, particularly targeting the login page. Monitor for anomalous network traffic patterns, such as large data transfers from the database server to unknown external IP addresses, which could indicate data exfiltration.

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

• Deploy a Web Application Firewall (WAF) with a strict ruleset designed to detect and block SQL injection attacks.
• Restrict access to the application's login interface to only trusted IP addresses and networks.
• Implement heightened database activity monitoring to detect and alert on suspicious queries or access patterns.

Exploitation Status

Public Exploit Available: true

Analyst Notes: As of August 25, 2025, proof-of-concept (PoC) exploit code has been made publicly available. Threat intelligence indicates that this vulnerability is being actively discussed in underground forums, and widespread scanning for vulnerable instances is expected to begin shortly. While this CVE is not currently listed on the CISA KEV (Known Exploited Vulnerabilities) catalog, its high severity and the availability of a public exploit make it a prime candidate for future inclusion.

Analyst Recommendation

Given the high CVSS score of 8.5 and the public availability of exploit code, this vulnerability poses a significant and immediate threat to the organization. We strongly recommend that all instances of the phpgurukul Hospital Management System version 4.0 be patched immediately, with the highest priority given to internet-facing systems. Due to the critical nature of the data at risk, organizations should assume active exploitation is imminent and initiate threat hunting activities to search for evidence of compromise. If patching is delayed for any reason, compensating controls must be implemented without delay.