Open WebUI has an Indirect Object Reference (IDOR) in user notes

Summary The API /api/v1/notes/noteid endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. Details - if notes is...

PT-2026-41199

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.11 Description The API endpoint '/api/v1/notes/note id' lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating note id UUIDs. This...