CVE-2026-4276

Name: CVE-2026-4276
Creator: NVD / NIST
Published: 2026-03-16T16:16:18.723+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2026-4276 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.28%

19.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Librechat	Librechat	0.7.0

References

https://kb.cert.org/vuls/id/624941Third Party Advisory, VDB Entry
https://www.kb.cert.org/vuls/id/624941Third Party Advisory, VDB Entry

Timeline

Published: Mar 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4276?

LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries.

How severe is CVE-2026-4276?

CVE-2026-4276 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4276?

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-2026-4276?

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

Scan your code now

Source: NVD / NIST