EUVD-2026-30614

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints accept any model name from the user and forward the request to the Ollama backend without checking whether the...

GHSA-RCVP-6FGW-C7FH Open WebUI's Ollama Model Access Control Bypass via /api/generate, /api/embed, /api/embeddings, and /api/show

Ollama Model Access Control Bypass via /api/generate, /api/embed, /api/embeddings, and /api/show Affected Component Ollama proxy endpoints missing model access control: - backend/openwebui/routers/ollama.py lines 955-995, generatecompletion - backend/openwebui/routers/ollama.py lines 835-881, emb...

PT-2026-39273

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The '/responses' endpoint in the OpenAI router allows any authenticated user to forward requests to upstream LLM providers without enforcing per-model access control. While the generate chat...