CVE-2026-22252

critical · 9.1

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.

9.1

CVSS

4.1%

EPSS (exploit prob.)

90th

EPSS percentile

2026-01-12

Published

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-285

Affected products

Vendor	Product	Affected versions
librechat	librechat	0.8.2

Check a specific version with /api/v1/cve/match.

References

https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127f
https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88f

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-22252