Description
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.
Scores
CVSS v3
9.1
EPSS
0.0008
EPSS Percentile
22.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-285
Status
published
Products (1)
librechat/librechat
0.8.2 rc1
Published
Jan 12, 2026
Tracked Since
Feb 18, 2026