{"id":"CVE-2026-22252","summary":"LibreChat MCP Stdio Remote Command Execution","details":"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.","aliases":["GHSA-cxhj-j78r-p88f"],"modified":"2026-09-28T11:45:18.024386961Z","published":"2026-01-12T18:01:48.399Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-285"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22252.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22252.json"},{"type":"ADVISORY","url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22252"},{"type":"FIX","url":"https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/LibreChat-AI/LibreChat","events":[{"introduced":"0"},{"fixed":"211b39f3113d4e6ecab84be0a83f4e9c9dea127f"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"v0.8.2-rc2"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["0.8.2-rc1","v0.8.2-rc1","v0.8.1","chart-1.9.4","v0.8.1-rc2","chart-1.9.3","v0.8.1-rc1","chart-1.9.2","v0.8.0","chart-1.9.1","v0.8.0-rc4","chart-1.9.0","v0.8.0-rc3","v0.8.0-rc2","v0.8.0-rc1","v0.7.9","librechat-1.8.9","v0.7.9-rc1","v0.7.8","v0.7.8-rc1","v0.7.7","v0.7.7-rc1","v0.7.6","v0.7.6-rc1","v0.7.5","v0.7.5-rc2","v0.7.5-rc1","v0.7.4","v0.7.4-rc1","v0.7.3","v0.7.3-rc2","v0.7.3-rc","v0.7.2","v0.7.1","v0.7.0","v0.6.10","v0.6.9","v0.6.6","v0.6.5","v0.6.1","v0.6.0","v0.5.9","v0.5.8","v0.5.7","v0.5.6","v0.5.5","v0.5.4","v0.5.3","v0.5.2","v0.5.1","v0.5.0","v0.4.8","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.3","v0.3.0","v0.2.0","v0.1.1","v0.1.0","v0.0.6","v0.0.3","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22252.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}]}