6.9
Medium
CVE-2026-12773 A weakness has been identified in BerriAI litellm up to 1.59.8
Description
A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| litellm 1.59 | 1.59.0 → 1.59.8 | No fix stated |
| Exploit Intelligence | Versions not published | |
| Red Hat Ansible Automation Platform 2 | Versions not published | |
| Red Hat OpenShift AI (RHOAI) | Versions not published |
References
- VDB-372515 | BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication vuldb.com
- VDB-372515 | CTI Indicators (IOB, IOC, IOA) vuldb.com
- CVE-2026-12773 | CVE Analysis and Report vuldb.com
- Submit #811282 | litellm <= 1.59.8 Improper Authentication (CWE-287) vuldb.com
- gist.github.com gist.github.com
Timeline
- Published
- Last modified
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