CVE-2026-22252
criticalpriority · track · 41EPSS 0.042 · 91 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127fcnnvd
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88fcnnvd
- https://github.com/danny-avila/LibreChat/tagsPatchcnnvd
- https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127fenisa_euvd
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88fenisa_euvd
- https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127fPatchnvd
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88fExploitVendor Advisorynvd
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