EUVD-2026-10826

Comprehensive Technical Analysis of EUVD-2026-10826

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2026-10826 pertains to a NoSQL Injection via the WebSocket id parameter in the MongoDB Adapter of Feathers. The CVSS (Common Vulnerability Scoring System) base score of 9.3 indicates a critical severity level. The vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N breaks down as follows:

• AV:N (Network) - The vulnerability is exploitable over the network.
• AC:L (Low) - The attack complexity is low, meaning it is relatively easy to exploit.
• AT:N (None) - No special authentication is required.
• PR:N (None) - No privileges are required.
• UI:N (None) - No user interaction is required.
• VC:H (High) - Confidentiality impact is high.
• VI:H (High) - Integrity impact is high.
• VA:H (High) - Availability impact is high.
• SC:N (None) - The scope change is none.
• SI:N (None) - The scope impact is none.
• SA:N (None) - The scope availability impact is none.

Given these metrics, the vulnerability poses a significant risk to systems using the affected versions of Feathers with the MongoDB Adapter.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector is a NoSQL Injection, which can be executed by manipulating the WebSocket id parameter. An attacker could craft malicious input to inject NoSQL commands, potentially leading to unauthorized data access, modification, or deletion.

Exploitation Methods:

• Direct Injection: An attacker could send specially crafted WebSocket messages to the server, injecting NoSQL commands that bypass authentication or authorization checks.
• Automated Tools: Attackers might use automated tools to scan for vulnerable WebSocket endpoints and attempt NoSQL injection attacks.

3. Affected Systems and Software Versions

The vulnerability affects systems running Feathers with the MongoDB Adapter, specifically:

• MongoDB versions: 5.0.0 through 5.0.42
• Feathers versions: Not explicitly mentioned, but likely all versions that use the affected MongoDB Adapter.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Patching: Upgrade to a patched version of MongoDB (5.0.42 or later) and ensure that the Feathers framework is updated to a version that addresses this vulnerability.
• Input Validation: Implement strict input validation and sanitization for WebSocket parameters to prevent injection attacks.
• Access Controls: Enforce strict access controls and authentication mechanisms to limit exposure.

Long-term Mitigation:

• Regular Audits: Conduct regular security audits and code reviews to identify and mitigate similar vulnerabilities.
• Security Training: Provide security training for developers to understand and prevent injection vulnerabilities.
• Monitoring: Implement monitoring and logging to detect and respond to suspicious activities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations within the European Union that rely on Feathers and MongoDB for their applications. Given the critical nature of the vulnerability, it could lead to data breaches, financial loss, and reputational damage. Compliance with regulations such as GDPR could also be compromised, leading to legal and financial penalties.

6. Technical Details for Security Professionals

Detection:

• Log Analysis: Monitor WebSocket logs for unusual patterns or injection attempts.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious WebSocket traffic.

Prevention:

• Web Application Firewalls (WAF): Use WAFs to filter out malicious WebSocket requests.
• Secure Coding Practices: Adopt secure coding practices to prevent injection vulnerabilities, such as using parameterized queries and prepared statements.

Response:

• Incident Response Plan: Develop and maintain an incident response plan to quickly address and mitigate any detected exploitation attempts.
• Patch Management: Ensure a robust patch management process to apply security updates promptly.

References:

• GitHub Advisory: GHSA-p9xr-7p9p-gpqx

By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of exploitation and maintain the integrity and security of their systems.