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Vulnerability record · CVE-2026-33265 · published 18 March 2026

CVE-2026-33265: Librechat vulnerability

Librechat · Librechat

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.

9.0 CVSS 3.1 Critical EPSS 0.25% · top 84.7% CWE-669 · CWE-669
9.0CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass ExploitThird Party Advisory
https://www.openwall.com/lists/oss-security/2026/03/18/3 ExploitMailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2026-22252Librechat improper authorization vulnerabilityLibreChat is a ChatGPT clone with additional features. Prior to v0.8.2-rc2, LibreChat's MCP stdio transport accepts arbitrary commands without valida…EPSS 4.1%9.8CVE-2024-41703Librechat improper access control vulnerabilityLibreChat through 0.7.4-rc1 has incorrect access control for message updates.EPSS 0.36%9.8CVE-2024-41704Librechat path traversal vulnerabilityLibreChat through 0.7.4-rc1 does not validate the normalized pathnames of images.EPSS 0.67%9.6CVE-2026-32625Librechat information exposure vulnerabilityLibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol (MCP) s…EPSS 0.41%9.3CVE-2026-54030Librechat origin validation error vulnerabilityLibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.5, LibreChat's MCP OAuth implementation does not validate th…EPSS 0.17%9.1CVE-2024-10361Librechat path traversal vulnerabilityAn arbitrary file deletion vulnerability exists in danny-avila/librechat version v0.7.5-rc2, specifically within the /api/files endpoint. This vulner…EPSS 0.99%8.8CVE-2025-8850Librechat vulnerabilityIn danny-avila/librechat version 0.7.9, there is an insecure API design issue in the 2-Factor Authentication (2FA) flow. The system allows users to d…EPSS 0.42%8.8CVE-2024-11170Librechat vulnerabilityA vulnerability in danny-avila/librechat version git 81f2936 allows for path traversal due to improper sanitization of file paths by the multer middl…EPSS 1.8%

Source: NIST National Vulnerability Database (record CVE-2026-33265), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.