CVE-2026-33265

Name: CVE-2026-33265
Creator: NVD / NIST
Published: 2026-03-18T12:16:19.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2026-33265 is a critical-severity vulnerability rated 9/10 on the CVSS scale. In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9/10

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

EPSS Probability

0.23%

14.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-669

Affected Software

Vendor	Product	Versions	Update
Librechat	Librechat	0.8.1	Rc2

References

https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_BypassExploit, Third Party Advisory
https://www.openwall.com/lists/oss-security/2026/03/18/3Exploit, Mailing List, Third Party Advisory

Timeline

Published: Mar 18, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-33265?

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

How severe is CVE-2026-33265?

CVE-2026-33265 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2026-33265?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33265?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST