Security Advisory

CVE-2026-45316

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-15 21:30:36

Last updated 2026-05-18 15:45:58

Assigner GitHub_M

CVSS score 3.5

State PUBLISHED

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the POST /api/v1/notes/{id}/pin endpoint performs a write operation (toggling the is_pinned field) but only checks for read permission. Users with read-only access to a shared note can pin/unpin it, which is a state-modifying action that should require write permission. This vulnerability is fixed in 0.9.3.

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