CVE-2025-6514

9.6 criticalEPSS 77%

Critical (9.6). EPSS 77% chance of exploitation in the next 30 days. Fixed in mcp-remote 0.1.16.

mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL

Severity

CVSS 3.1

9.6 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS: 77% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2025-07-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-6xpm-ggf7-wc3p	npm	mcp-remote	>=0.0.5 <0.1.16	0.1.16

References

https://github.com/geelen/mcp-remote/commit/607b226a356cb61a239ffaba2fb3db1c9dea4bac
https://jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability
https://research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfsa-2025-001290844/

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