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CVE-2026-22252

CRITICAL CVSS 3.1: 9.9 EPSS 0.05%
Updated Jan 15, 2026
Librechat
Parameter Value
CVSS 9.9 (CRITICAL)
Type CWE-285 (Improper Authorization)
Vendor Librechat
Public PoC No

LibreChat is a ChatGPT clone with additional features. Prior to v0.8.2-rc2, LibreChat's MCP stdio transport accepts arbitrary commands without validation, allowing any authenticated user to execute shell commands as root inside the container through a single API request. This vulnerability is fixed in v0.8.2-rc2.

Attack Parameters

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

Impact Assessment

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

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Librechat Librechat
cpe:2.3:a:librechat:librechat:0.8.2:rc1:*:*:*:*:*:*