CVE-2025-6514
CRITICALCVSS 9.6/10EPSS 76.64%
Last modified
CVE-2025-6514 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL. EPSS estimates a 76.64% chance of exploitation in the next 30 days.
Description
mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-6514?
mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL
How severe is CVE-2025-6514?
CVE-2025-6514 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 76.64% probability of exploitation in the next 30 days.
How do I fix CVE-2025-6514?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-6514?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST