Auth bypass in Danny-avila Librechat

CVE-2026-44654

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through `DELETE /api/files` that the owner has reused across multiple agents…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44654?
CVE-2026-44654 is a high-severity vulnerability in Danny-avila Librechat, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-06-02.
How severe is CVE-2026-44654?
High severity. CVSS v3 base score is 8.1 out of 10.