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Vulnerability record · CVE-2025-6514 · published 9 July 2025

CVE-2025-6514: OS command injection vulnerability

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

9.6 CVSS 3.1 Critical EPSS 78% · top 0.4% CWE-78 · OS command injection Deferred
9.6CVSS 3.1 base score
78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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

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

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2025-6514), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.