# 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.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2025
- **Updated:** 15 Oct 2025
- **Also known as:** GHSA-6827-g8xf-36c7

## 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 (Uncaught Exception)

## Which versions are affected by CVE-2024-11172?

It affects 1 product.


Products: 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.

## 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](https://insights.sbomify.com/CVE-2026-32625/): LibreChat Exfiltrates Server Secrets via MCP Server URL Injection (critical 9.6)
- [CVE-2024-11167](https://insights.sbomify.com/CVE-2024-11167/): Improper Access Control in danny-avila/librechat (critical 9.4)
- [CVE-2026-22252](https://insights.sbomify.com/CVE-2026-22252/): LibreChat MCP Stdio Remote Command Execution (critical 9.1)
- [CVE-2025-69222](https://insights.sbomify.com/CVE-2025-69222/): LibreChat is vulnerable to Server-Side Request Forgery due to missing restrictions (critical 9.1)
- [CVE-2024-41704](https://insights.sbomify.com/CVE-2024-41704/): Path traversal in n/a (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-11172 and fix it if it is affected.

What it is: 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.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-11172 exists.

Affected product: Librechat Librechat. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-11172/ (Markdown: https://insights.sbomify.com/CVE-2024-11172/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-11172
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-11172
- OSV: https://osv.dev/vulnerability/CVE-2024-11172

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-11172/
Summaries are generated and may contain mistakes; the official description above is the record.