CVE-2025-6514
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
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.766 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- reefs@jfrog.com (third-party-advisory)
- reefs@jfrog.com (patch)
- reefs@jfrog.com (technical-description)
Frequently asked questions
- What is CVE-2025-6514?
- CVE-2025-6514 is a critical-severity vulnerability, classified under OS Command Injection. CVSS score: 9.6/10. Published 2025-07-09.
- How severe is CVE-2025-6514?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2025-6514 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.