| Component | LibreChat |
| Severity | high (CVSS 7.5) |
| CVSS vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Published (NVD) | 2025-03-20 |
| Last modified | 2026-06-17 |
| Affected versions | < 0.7.6 from the CVE Program record written by the CNA that assigned the CVE |
| Fixed in | 0.7.6 |
| Weakness | CWE-115 |
| CISA KEV | not listed |
NVD 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.
What to do
- Upgrade LibreChat to
0.7.6or later. - Do not expose the component's API or UI to the internet without authentication in front of it.