CVE-2026-29071: Openwebui Open Webui

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, any authenticated user can read other users' private memories via `/api/v1/retrieval/query/collection`. Version 0.8.6 patches the issue.

Affected products

• Openwebui Open Webui: before 0.8.6 (fixed in 0.8.6)

Published 2026-03-27. Last modified 2026-06-17.