CVE-2026-45299: Openwebui Open Webui

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, the profile_image_url field on the user profile update form accepted arbitrary data: URI values without MIME-type validation, resulting in a XSS vulnerability. This vulnerability is fixed in 0.8.0.

Affected products

• Openwebui Open Webui: before 0.8.0 (fixed in 0.8.0)

Published 2026-05-15. Last modified 2026-06-17.