Security Advisory

CVE-2026-45365

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-15 21:07:12

Last updated 2026-05-19 12:27:12

Assigner GitHub_M

CVSS score 5.4

State PUBLISHED

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, an internal-only bypass_filter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypass_filter=true and bypass model access control checks to invoke admin-restricted models. This vulnerability is fixed in 0.8.11.

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