GHSA-45M8-CPM2-3V65 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected Component Socket.IO session state and role-check callsites: - backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL - backend/openwebui/socket/main.py lin...

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 invalidate the SESSION POOL in-memory dictionary. When a user connects via Socket.IO, their role is snapshotted into this pool. Because the...