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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-12773

BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication

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Status
Published
Published
Updated
Assigning organization
VulDB

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

BerriAI litellm

  • 1.59.0affected
  • 1.59.1affected
  • 1.59.2affected
  • 1.59.3affected
  • 1.59.4affected
  • 1.59.5affected
  • 1.59.6affected
  • 1.59.7affected
  • 1.59.8affected

References