PatchSiren cyber security CVE debrief
CVE-2026-4276 LibreChat CVE debrief
CVE-2026-4276 is a high-severity vulnerability in LibreChat RAG API version 0.7.0. The vulnerability, which has a CVSS score of 7.5, allows attackers to forge log entries through a log-injection vulnerability. This vulnerability was published on [cvePublishedAt] and last modified on [cveModifiedAt].
- Vendor
- LibreChat
- Product
- RAG API
- CVSS
- HIGH 7.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-03-16
- Original CVE updated
- 2026-06-05
- Advisory published
- 2026-03-16
- Advisory updated
- 2026-06-05
Who should care
Users of LibreChat RAG API version 0.7.0 should be aware of this vulnerability and take steps to mitigate it.
Technical summary
The vulnerability is caused by a log-injection vulnerability in LibreChat RAG API version 0.7.0, which allows attackers to forge log entries. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Defensive priority
HIGH
Recommended defensive actions
- Users should update to a patched version of LibreChat RAG API as soon as possible.
- In the meantime, users can refer to [ref-4] and [ref-5] for mitigation strategies.
Evidence notes
The evidence for this vulnerability comes from the NVD and CVE.org.
Official resources
-
CVE-2026-4276 CVE record
CVE.org
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CVE-2026-4276 NVD detail
NVD
-
Source item URL
nvd_modified
-
Mitigation or vendor reference
[email protected] - Third Party Advisory, VDB Entry
-
Mitigation or vendor reference
af854a3a-2127-422b-91ae-364da2661108 - Third Party Advisory, VDB Entry
CVE-2026-4276 was published on 2026-03-16T16:16:18.723Z and last modified on 2026-06-05T19:59:52.373Z.