PT-2026-26054 · Librechat · Librechat

Lisa Gnedt + 1 · Published 2026-03-18 · Updated 2026-03-18 · CVE-2026-33265

Positive Technologies (AI Summary)

CVSS v3.1

9.0

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions LibreChat version 0.8.1-rc2

Description A logged-in user can obtain a JWT (JSON Web Token) for both the LibreChat API and the RAG API. This allows access to both APIs with the user's credentials. The JWT token can be abused.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-669

Related Identifiers

CVE-2026-33265

Affected Products

Librechat

References · 6

• 🔥 https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass · Exploit
• 🔥 https://openwall.com/lists/oss-security/2026/03/18/3 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-33265 · Security Note
• https://twitter.com/VulmonFeeds/status/2034311675088617879 · Twitter Post
• https://twitter.com/cyberbivash/status/2034256046831616225 · Twitter Post
• https://twitter.com/CVEnew/status/2034365293859070208 · Twitter Post