CVE-2026-4276

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

HIGH

7.5

CVSS Score

Published: March 16, 2026 at 03:31 PM UTC

Updated: June 17, 2026 at 10:56 AM UTC

1 product affected across 1 vendorLibreChat

Using RAG API by LibreChat?

Get instant alerts when new vulnerabilities affect RAG API - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

LibreChat · Librechat

95%

0.7.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party AdvisoryVDB Entry

Source: cverecord

https://kb.cert.org/vuls/id/624941

Third Party AdvisoryVDB Entry

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.kb.cert.org/vuls/id/624941

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-94

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card