Denial of Service Vulnerability in LibreChat by Danny Avila
CVE-2025-7105

5.7MEDIUM

Key Information:

Vendor

Danny-avila

Status
Danny-avila/librechat
Vendor
CVE Published:
2 February 2026

What is CVE-2025-7105?

A vulnerability in LibreChat enables attackers to abuse the unrestricted Fork Function located in /api/convos/fork. By forking multiple contents rapidly, particularly those including large Mermaid graphs, the service may experience a JavaScript heap out of memory error when restarted, leading to a denial of service. This affects the latest version of LibreChat, making it crucial for users to address this issue to maintain service availability.

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Deploy the Patch

Affected Version(s)

danny-avila/librechat < unspecified

References

https://huntr.com/bounties/e44f0740-48bd-443b-8826-528e6a...
https://github.com/danny-avila/librechat/commit/97a99985f...

CVSS V3.0

Score:
5.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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