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CVE-2026-45316

Open WebUI: Read-Only Users Can Toggle Note Pin Status via Incorrect Permission Check (Write via Read-Only Access) PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
open-webui / open-webuiaffected < 0.9.3

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.