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OpenAdvisories
High · 8.1 CVE-2026-45301 EUVD-2026-30653GHSA-r8wh-8m7r-fh33PYSEC-2026-2753

Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file

Published May 15, 2026 · Updated May 19, 2026 · Assigned by GitHub_M

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.3.16, a missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. This vulnerability is fixed in 0.3.16.

Affected products

VendorProductAffectedFixed
open-webui open-webui < 0.3.16 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI open-webui < 0.3.16 0.3.16 GHSA-r8wh-8m7r-fh33

References