GHSA-WJWR-XFP9-R66P Open WebUI: Admin demoted through SSO role sync keeps read and write access to all users' notes

Summary A user who is demoted from admin by an identity provider keeps admin-level read and write access to every user's notes, over any Socket.IO connection that was already open when the demotion happened. Open WebUI caches the user's role on the socket at connection time, and the two SSO...

CVE-2026-59216 Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, geteventcall delivered execute:python and execute:tool Socket.IO events to a client-supplied sessionid after checking only that the session was connected, allowing authenticated users who learne...

CVE-2026-46544

Technical details beyond the provided CVE description are not publicly available in the supplied documents. Monitor for updates from the referenced UFO advisory and CVE entry.

CVE-2026-44553 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

PT-2026-39270

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description Administrative role changes and user deletions do not trigger the disconnection of affected sessions in the SESSION POOL. When a user connects via Socket.IO, their role is snapshotted into the...