dev.to· Oct 12, 2026· by daniel_pertu

Nineteen migrations, seventeen RLS statements, and not one policy in the whole history

Open Original Article ↗
Row Level Security turned on with no policies at all is a deny-everything switch, which is exactly what we want on Supabase. Plus a migration workflow with no automation in it and one file that is hand-edited on purpose.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#postgres#database#supabase#security