Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories

Summary Any authenticated user can read other users' private memories via /api/v1/retrieval/query/collection Details Vulnerability 1: Missing authorization in collection querying In backend/openwebui/routers/retrieval.py, the querycollectionhandler function accepts a list of collectionnames but...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.6 contained a security vulnerability. This vulnerability stems from the/api/v1/retrieval/query/collection endpoint, which allows access to other users’ private...

PT-2026-28386

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.6 Description Open WebUI is a self-hosted artificial intelligence platform designed for offline operation. A flaw exists where any authenticated user can access private memories and files belonging to other...