CVE-2026-59222: Openwebui Open Webui

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 before 0.10.0, GET /api/v1/channels//members returned full UserModelResponse objects for channel members, including settings.ui.toolServers[].key and webhook configuration, allowing a normal channel participant to retrieve other users’ sensitive settings. This issue is fixed in version 0.10.0.

Affected products

• Openwebui Open Webui: from 0.7.0, before 0.10.0 (fixed in 0.10.0)

Published 2026-07-09. Last modified 2026-07-10.