Supabase Storage upload blocked by row-level security: the policies you need
You add a file upload to your app, test it, and Supabase answers with "new row violates row-level security policy". Sometimes it's "StorageApiError" in front, sometimes just "Unauthorized". Nothing is
Responses
Markdown supported · ⌘↵ to post
Rishabh Mishra
Cloud FullStack Developer & Design Engineer.
The bucket-level check is easy to miss when the error sounds like a table policy. Testing one upload as the signed-in user, not as a service key, usually shows which policy is actually blocking it.