Security Advisory

CVE-2026-45666

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-15 21:07:42

Last updated 2026-05-18 16:15:07

Assigner GitHub_M

CVSS score 6.5

State PUBLISHED

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the API /api/v1/notes/{note_id} 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. This vulnerability is fixed in 0.8.11.

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