CVE-2026-45346: 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 0.6.31, there is a Cross-Site Scripting vulnerability in Open WebUI SVG renderer implementation. This vulnerability is fixed in 0.6.31.

Affected products

• Openwebui Open Webui: before 0.6.31 (fixed in 0.6.31)

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