### Summary A Server-Side Request Forgery (SSRF) vulnerability in Open WebUI allows any authenticated user to force the server to make HTTP requests to arbitrary URLs. This can be exploited to access cloud metadata endpoints (AWS/GCP/Azure), scan internal networks, access internal services behind firewalls, and exfiltrate sensitive information. No special permissions beyond basic authentication are required. ### Details The vulnerability exists in the /api/v1/retrieval/process/web endpoint located in backend/open_webui/routers/retrieval.py at lines 1758-1767. Vulnerable code: @router.post("/p…
GHSA-c6xv-rcvw-v685: Open WebUI vulnerable to Server-Side Request Forgery (SSRF) via Arbitrary URL Processing in /api/v1/retrieval/process/web
Open WebUI has a Server-Side Request Forgery (SSRF) vulnerability in the /api/v1/retrieval/process/web endpoint, allowing authenticated users to force arbitrary URL requests.