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CVE-2026-22252

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6c27e38d4b73b37412f8e595d2dfac1de0cbab6dd36a24e432fb513f4bdd3abd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"LibreChat","vendor":"danny-avila","versions":[{"status":"affected","version":"< v0.8.2-rc2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bca178c2ad661d5fcd37860bcefdab89aa97d5e5a1b495762a25702dac76e6c0 · sha256:562f692dbdd8f275… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bca178c2ad661d5fcd37860bcefdab89aa97d5e5a1b495762a25702dac76e6c0 · sha256:562f692dbdd8f275… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bca178c2ad661d5fcd37860bcefdab89aa97d5e5a1b495762a25702dac76e6c0 · sha256:562f692dbdd8f275… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127f","tags":["x_refsource_MISC"],"url":"https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bca178c2ad661d5fcd37860bcefdab89aa97d5e5a1b495762a25702dac76e6c0 · sha256:562f692dbdd8f275… · /containers/cna/references/1
{"name":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bca178c2ad661d5fcd37860bcefdab89aa97d5e5a1b495762a25702dac76e6c0 · sha256:562f692dbdd8f275… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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