| Component | LibreChat |
| Severity | medium (CVSS 6.5) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| Published (NVD) | 2025-03-20 |
| Last modified | 2026-06-17 |
| Affected versions | < 0.7.5 from the CVE Program record written by the CNA that assigned the CVE |
| Fixed in | 0.7.5 |
| Weakness | CWE-639 |
| CISA KEV | not listed |
NVD description
An improper access control vulnerability (IDOR) exists in the delete attachments functionality of danny-avila/librechat version v0.7.5-rc2. The endpoint does not verify whether the provided attachment ID belongs to the current user, allowing any authenticated user to delete attachments of other users.
What to do
- Upgrade LibreChat to
0.7.5or later. - Do not expose the component's API or UI to the internet without authentication in front of it.