AI / ML CVE-2026-22252
CRITICALSeverity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionGitHub Advisory
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.
AnalysisAI
LibreChat before v0.8.2-rc2 allows any authenticated user to execute shell commands as root inside the container through the MCP stdio transport. A single API request is sufficient for root code execution. PoC available, patch available.
Technical ContextAI
The MCP (Model Context Protocol) stdio transport accepts arbitrary command specifications without validation (CWE-285). An authenticated user can specify any shell command through the API, which the server executes as root inside the Docker container.
RemediationAI
Update to v0.8.2-rc2 or later. Implement command allowlists for MCP stdio transport.
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Same weakness CWE-285 – Improper Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today