Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-45365

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.0%
CVSS Severity
CVSS v3 Score 5.4
Products affected by CVE-2026-45365


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