CVE-2024-11172 Denial of Service in danny-avila/librechat
Unauthenticated attackers can crash the LibreChat server by sending crafted payloads that trigger unhandled exceptions in the ban check middleware.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-11172?
CVE-2024-11172 is a high-severity denial of service vulnerability in Librechat Librechat, published on 20 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in danny-avila/librechat version git a1647d7 allows an unauthenticated attacker to cause a denial of service by sending a crafted payload to the server. The middleware `checkBan` is not surrounded by a try-catch block, and an unhandled exception will cause the server to crash. This issue is fixed in version 0.7.6.
Weakness: CWE-248
Which versions are affected by CVE-2024-11172?
It affects 1 product.
Products include Librechat Librechat.
How do I fix CVE-2024-11172?
No fix has been published for CVE-2024-11172 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-11172 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-11172 exists.
Other vulnerabilities in Librechat Librechat
- CVE-2026-32625 LibreChat Exfiltrates Server Secrets via MCP Server URL Injection
- CVE-2024-11167 Improper Access Control in danny-avila/librechat
- CVE-2026-22252 LibreChat MCP Stdio Remote Command Execution
- CVE-2025-69222 LibreChat is vulnerable to Server-Side Request Forgery due to missing restrictions
- CVE-2024-41704 Path traversal in n/a
Sources
Also known as GHSA-6827-g8xf-36c7.