Auth bypass in Danny-avila Librechat
CVE-2026-31942
LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.7.6, an Insecure Direct Object Reference (IDOR) vulnerability exists in the API keys management endpoint (PUT /api/keys). Due to…
Vulnerability class: Broken Access Control
EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
Affected products
- Danny-avila Librechat — versions < 0.8.3-rc1
- Librechat
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-31942?
- CVE-2026-31942 is a high-severity vulnerability in Danny-avila Librechat, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-06-02.
- How severe is CVE-2026-31942?
- High severity. CVSS v3 base score is 7.1 out of 10.