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CVE-2026-4276

HIGH CVSS 3.1: 7.5 EPSS 0.06%
Updated Mar 17, 2026
Librechat
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-20 Improper Input Validation, CWE-117 Improper Output Neutralization for Logs
Vendor Librechat
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products

librechat:rag api