An unhandled exception in the danny-avila/librechat repository, version git 600d217, can cause the server to crash, leading to a full denial of service. This issue occurs when certain API endpoints receive malformed input, resulting in an uncaught exception. Although a valid JWT is required to exploit this vulnerability, LibreChat allows open registration, enabling unauthenticated attackers to create an account and perform the attack. The issue is fixed in version 0.7.6.
Conclusion & alert: CVE-2024-11173 is rated High Exploit Risk (62.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.47%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-02 | 1.29% | 0.47% | -0.82% |
| 2 | 2026-04-30 | 0.18% | 1.29% | +1.11% |
| 3 | 2026-01-04 | — | 0.18% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| URL | Tags |
|---|---|
| https://github.com/danny-avila/librechat/commit/95a212534f1c5991bd1231a34ac3668b4b592cc3 | Patch |
| https://huntr.com/bounties/4cebf926-c17f-4836-868b-e1de86221cec | Exploit Third Party Advisory |