OS command injection in mcp-remote when connecting to untrusted MCP servers
70Vexday Risk Score
Keep watching. It has a public proof of concept.
ssvc Attendcvss 9.6epss 78%
from disclosure to weapon2 days
Published on NVDJul 9
1st PoC+2d
exploitation probability
78%top 1% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected products
mcp-remotepublic PoCs found — 2
githubgithub.com/Cyberency/CVE-2025-6514★ 7githubgithub.com/ChaseHCS/CVE-2025-6514★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.