CVE-2026-45401 Open WebUI: SSRF Bypass via HTTP Redirect Following in Web-Fetch and Image-Load Endpoints

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the validateurl function in backend/openwebui/retrieval/web/utils.py only validates the initial URL submitted by the caller. The HTTP clients used downstream sync requests, async...

CVE-2026-45401

CVE-2026-45401 affects Open WebUI and describes an SSRF bypass: before version 0.9.5, the validate_url() check only validated the initial URL, while downstream HTTP clients (requests, aiohttp, LangChain WebBaseLoader) follow HTTP 3xx redirects by default and do not re-validate the redirected targ...

CVE-2026-45397

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, GET /api/v1/retrieval/ returns live RAG pipeline configuration to any unauthenticated HTTP client. No Authorization header, cookie, or API key is required. Every adjacent endpoint on...

CVE-2026-29071

CVE-2026-29071 affects Open WebUI. Before v0.8.6, any authenticated user could read other users’ private memories via the vulnerable endpoint /api/v1/retrieval/query/collection, enabling exposure of documents, memories, and user metadata. The root cause is missing authorization in collection quer...