Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-44721

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execute arbitrary JavaScript in the browser of any other user (including admins) who views the malicious model in the chat UI. This vulnerability is fixed in 0.9.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.0%
CVSS Severity
CVSS v3 Score 7.3
Products affected by CVE-2026-44721


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