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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.779 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.775 · newest: 0.779 · change: +0.004
Weakness classification (CWE)
Public proof-of-concept exploits
References
- research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfsa-2025-0… (third-party-advisory)
- github.com/geelen/mcp-remote/commit/607b226a356cb61a239ffaba2fb3db1c9dea4bac (patch)
- jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability (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.