dev.to· Oct 21, 2026· by cekuu35

Supabase RLS with auth.uid() not working? Causes and fixes

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You wrote a tidy Row Level Security policy, something like auth.uid() = user_id, and now one of two...
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#supabase#postgres#security#webdev