PYSEC-2026-2721 Open WebUI BOLA: `search_knowledge_files` Allows Unauthorized Knowledge Base File Enumeration

Summary Open WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool. When native function calling is enabled and the selected model has no attached knowledge bases, an authenticated user can call searchknowledgefiles with an arbitrary knowledgeid...

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....

CVE-2026-54016

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool. When native function calling is enabled and the selected model has no...