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CVE-2026-31949 - Vulnerability Analysis

MediumCVSS: 6.5

Last Updated: March 17, 2026

LibreChat - Denial of Service

Published: March 13, 2026Updated: March 17, 2026PoC AvailableRemote Exploitable

Overview

LibreChat < 0.8.3-rc1 contains a denial of service caused by unvalidated destructuring of req.body.arg in DELETE /api/convos endpoint, letting authenticated attackers crash the Node.js server process.

Severity & Score

Severity: Medium

CVSS Score: 6.5

Impact

Authenticated attackers can crash the server, causing denial of service and disrupting availability.

Mitigation

Update to version 0.8.3-rc1 or later.

References

https://github.com/danny-avila/LibreChat/security/advisories/GHSA-5m32-chq6-232p

Related Resources

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Details

CVE ID: CVE-2026-31949
Severity: Medium
CVSS Score: 6.5
Type: denial_of_service
Status: confirmed

CWE

CWE-248

CVSS Metrics

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