CVE Explorer
CVE-2026-31949
LibreChat is a ChatGPT clone with additional features. Prior to 0.8.3-rc1, a Denial of Service (DoS) vulnerability exists in the DELETE /api/convos endpoint that allows an authenticated attacker to crash the Node.js server process by sending malformed requests. The DELETE /api/convos route handler attempts to destructure req.body.arg without validating that it exists. The server crashes due to an unhandled TypeError that bypasses Express error handling middleware and triggers process.exit(1). Th
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":"< 0.8.3-rc1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:bb00236245f0601994f5d442373f937c395435eaf0be3b90c3115deaa2b2a198 · sha256:6857da7e6e16758d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:bb00236245f0601994f5d442373f937c395435eaf0be3b90c3115deaa2b2a198 · sha256:6857da7e6e16758d… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-248","description":"CWE-248: Uncaught Exception","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:bb00236245f0601994f5d442373f937c395435eaf0be3b90c3115deaa2b2a198 · sha256:6857da7e6e16758d… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-5m32-chq6-232p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-5m32-chq6-232p"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bb00236245f0601994f5d442373f937c395435eaf0be3b90c3115deaa2b2a198 · sha256:6857da7e6e16758d… · /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.