CVE-2026-59217 Open WebUI: Upload `metadata.knowledge_id` bypasses the knowledge-base write-access check (read-only users can add files to KB)

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, the file upload path accepted metadata.knowledgeid and auto-linked uploaded files to a target knowledge base without applying the write-access check used by /api/v1/knowledge//file/add, allowing...

CVE-2026-59217

Open WebUI prior to version 0.10.0 allowed a metadata.knowledge_id value in file uploads to auto-link files to a knowledge base, bypassing the write-access check on /api/v1/knowledge//file/add. This enabled read-only knowledge-base users to add arbitrary files. The issue is fixed in version 0.10....