| Component | LibreChat |
| Severity | medium (CVSS 4.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Published (NVD) | 2026-01-07 |
| Last modified | 2026-10-07 |
| Affected versions | librechat = 0.8.1 librechat = 0.8.1 |
| Fixed in | see the vendor advisory |
| Weakness | CWE-284CWE-862 |
| CISA KEV | not listed |
NVD description
LibreChat is a ChatGPT clone with additional features. Version 0.8.1-rc2 does not enforce proper access control when querying agent permissions. An authenticated attacker can read the permissions of arbitrary agents, even if they have no permissions for this agent. LibreChat allows the configuration of agents that have a predefined set of instructions and context. Private agents are not visible to other users. However, if an attacker knows the agent ID, they can read the permissions of the agent including the permissions individually assigned to other users. This issue is fixed in version 0.8.2-rc2.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep LibreChat off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2025-69221
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-5ccx-4r3h-9qc7
- https://github.com/danny-avila/LibreChat/commit/06ba025bd95574c815ac6968454be7d3b024391c
- https://github.com/danny-avila/LibreChat/releases/tag/v0.8.2-rc2
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