CVE-2026-45399

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via the GET /api/tasks and POST...

EUVD-2026-30608

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via the GET /api/tasks and POST...

GHSA-8JJP-R2W2-4V22 Open WebUI: Low-privilege authenticated users can enumerate and stop global background tasks, causing system-wide chat disruption

Summary Any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via the GET /api/tasks and POST /api/tasks/stop/taskid methods. This allows a casual user to disrupt system-wide chat usage by continuously canceling...

PT-2026-41194

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description An authorization issue allows any authenticated user with low privileges to enumerate active background tasks across the system and stop tasks belonging to other users. This occurs because the...