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CVE-2025-6514

CRITICAL CVSS 3.1: 9.6 EPSS 1.47%
Updated Jul 10, 2025
mcp-remote
Parameter Value
CVSS 9.6 (CRITICAL)
Type CWE-78 (OS Command Injection)
Vendor mcp-remote
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-78 OS Command Injection

References 3

https://github.com/geelen/mcp-remote/commit/607b226a356cb61a239ffaba2fb3db1c9de…
reefs@jfrog.com
https://jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability
reefs@jfrog.com
https://research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfs…
reefs@jfrog.com
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