| Component | LibreChat |
| Severity | high (CVSS 7.1) |
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L |
| 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 for file uploads to an agents file context and file search. An authenticated attacker with access to the agent ID can change the behavior of arbitrary agents by uploading new files to the file context or file search, even if they have no permissions for this agent. 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-2025-69220
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-xcmf-rpmh-hg59
- https://github.com/danny-avila/LibreChat/commit/4b9c6ab1cb9de626736de700c7981f38be08d237
- https://github.com/danny-avila/LibreChat/releases/tag/v0.8.2-rc2
- https://cwe.mitre.org/data/definitions/284.html
- https://cwe.mitre.org/data/definitions/862.html
- https://owasp.org/Top10/A01_2021-Broken_Access_Control
- https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/05-Authorization_Testing/02-Testing_for_Bypassing_Authorization_Schema.html
- https://raw.githubusercontent.com/OWASP/ASVS/v5.0.0/5.0/OWASP_Application_Security_Verification_Standard_5.0.0_en.pdf
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