PYSEC-2026-2692 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Summary Any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile authorization gate unconditionally grants access through its shared-chat branch. It checks neither the requesting...

PT-2026-41201

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description An authorization bypass allows any authenticated user to permanently delete files owned by other users. This occurs when a target file is referenced in any shared chat, as the has access to file...