CVE-2024-11169: Unhandled Exception Leading to Server Crash in danny-avila/librechat

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-03-20 · updated 2026-06-17
Weakness: CWE-115

Description

An unhandled exception in danny-avila/librechat version 3c94ff2 can lead to a server crash. The issue occurs when the fs module throws an exception while handling file uploads. An unauthenticated user can trigger this exception by sending a specially crafted request, causing the server to crash. The vulnerability is fixed in version 0.7.6.

Affected products

danny-avila LibreChat: before 0.7.6 — fixed in 0.7.6

How to fix

Upgrade to a fixed version: danny-avila LibreChat 0.7.6. Check the vendor advisory for mitigations.

References

https://github.com/danny-avila/librechat/commit/629be5c0ca2b332178524b4e3f6fac715aea8cc4
https://huntr.com/bounties/754e1649-5612-4ba9-a533-06b46de5c4b5

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