The vulnerability of Ollama’s artificial intelligence-based web interface, Open WebUI, allows a hacker to gain unauthorized access to protected information.

The vulnerability of Ollama’s AI-based web interface, Open WebUI, is related to the lack of authentication during the processing of endpoints like /api/generate, /api/embed, /api/embeddings, and /api/show. Exploiting this vulnerability allows a malicious actor to gain unauthorized access to...

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 ComponentOllama proxy endpoints missing model access control:- backend/openwebui/routers/ollama.py lines 955-995, generatecompletion- backend/openwebui/routers/ollama.py lines 835-881, embed-...

PT-2026-59395

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/open webui/routers/ollama.py lines 955-995, generate completion - backend/open webui/routers/ollama.py lines 835-881,...

CVE-2026-44563

Open WebUI/Open WebUI’s Ollama integration vulnerability (CVE-2026-44563) affects the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints. These endpoints forward a user-supplied model name to the Ollama backend without enforcing AccessGrants.has_access(), effectively bypassing mo...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints, which accepted...

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-2026-39280

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description Four Ollama proxy endpoints accept any model name from the user and forward the request to the Ollama backend without verifying if the user is authorized to access that model. While these endpoint...