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Critical · 9.6 Public exploit CVE-2025-6514 EUVD-2025-20823GHSA-6xpm-ggf7-wc3p

OS command injection in mcp-remote when connecting to untrusted MCP servers

Published Jul 9, 2025 · Updated Jul 9, 2025 · Assigned by JFROG

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

Affected products

VendorProductAffectedFixed
— mcp-remote 0.0.5 – ≤ 0.1.15 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
npm mcp-remote >= 0.0.5, < 0.1.16 0.1.16 GHSA-6xpm-ggf7-wc3p

References