GHSA-7R82-QHG4-6WVJ Open WebUI has Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite Affected Component Retrieval web/YouTube processing endpoints: - backend/openwebui/routers/retrieval.py lines 1810-1837, processweb - backend/openwebui/routers/retrieval.py the parallel processyoutube endpoint -...

PT-2026-39271

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The 'POST /api/v1/retrieval/process/web' endpoint accepts a user-supplied collection name and an overwrite query parameter, which defaults to True. The system fails to perform authorization checks...