Implement Authorization using Row Level Security with Supabase
Official step-by-step of writing your first RLS policies correctly.
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How do I keep customer data safe in an AI-built internal tool?
The single biggest failure in AI-built tools is a database with no row-level security: one scan found 170 of 1,645 Lovable apps leaking names, emails, and financial records because the AI generated the tables but never configured access rules. Turn on RLS for every Supabase table, keep API keys server-side (never in the browser), and put the tool behind a real login even if it is 'just internal'. Then run one adversarial pass, asking the AI itself or a scanner to attack what it built, before any customer data goes in.
Go deeper
18 resources.
Supabase Row Level Security (RLS) 101
RLS explained for AI-builder users rather than backend engineers.
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How Supabase's Row-Level Security Can Protect Your Data
Shows the attack and the fix side by side, which makes the risk finally click.
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How to Set Up Row-Level Security in Supabase
A short, current setup walkthrough you can follow along with in one sitting.
Watch on YouTube youtube.com →Wiz Research Finds Risks in 20% of Vibe-Coded Apps
The most credible security team in cloud lays out exactly which misconfigurations recur.
Open wiz.io →Methodology: 2k+ Vulnerabilities in Vibe-Coded Apps
5,600 apps scanned, 2,000+ vulnerabilities and 400+ exposed secrets; the scale of the problem in numbers.
Open escape.tech →Securing Vibe-Coded Apps: A Practical Guide to Not Getting Hacked
The single most actionable checklist: proxy API calls, store secrets in edge functions, lock down RLS.
Open vietanh.dev →Lovable: Secure Vibe Coding
The platform's own hardening guidance, worth reading because its defaults caused the incidents.
Open lovable.dev →Thousands of AI-built apps exposed sensitive corporate and personal data
The mainstream report on 380,000 scanned apps with 5,000 leaking sensitive data.
Open axios.com →Lovable Vulnerability Explained: How 170+ Apps Were Exposed
A clear technical autopsy of the anon-key-plus-no-RLS pattern behind the leaks.
Open superblocks.com →Row Level Security
The canonical doc for the one feature that would have prevented most vibe-coding breaches.
Open supabase.com →Supabase RLS Best Practices: Production Patterns
Once basics work, these are the multi-tenant patterns that keep working at scale.
Open makerkit.dev →The State of AI Governance in 2026
93% of tech leaders worry about vibe-coded tools in production; useful ammunition for taking security seriously.
Open retool.com →leo: 'guys, i'm under attack'
The infamous live meltdown of an unsecured vibe-coded SaaS; the cheapest security lesson you will ever get.
Open x.com →'Guys, I'm under attack': AI vibe coding in the wild
The full story around that thread, from launch tweet to shutdown.
Open pivot-to-ai.com →Vibe coding has a security problem
The builder community's own reckoning, with practical fixes from people shipping solo.
Open indiehackers.com →Vibe Coding Security Risks: Why 53% of AI Code Has Security Holes
Quantifies how often generated code ships vulnerable so you never skip review.
Open getautonoma.com →The Vibe Coding Security Checklist
A printable pre-launch checklist to run before real data enters the tool.
Open catdoes.com →More in Databases & Internal Tools
- Why use AI to build databases and internal dashboards instead of buying SaaS? 18 →
- How do founders build CRMs, trackers, and admin panels with AI tools? 20 →
- What's the fastest path from spreadsheet chaos to a working internal tool? 18 →
- Which AI app builder should I use for internal tools: Lovable, Bolt, Replit, v0, Retool, or Glide? 18 →
- What database should sit under my AI-built internal tool: Supabase, Airtable, Postgres, or a spreadsheet? 18 →
- How can my team ask questions of our data in plain English instead of writing SQL? 18 →
- How do founders automate data entry and keep tools in sync using AI agents (n8n, Zapier, Make)? 18 →
- When does an AI-built internal tool break down, and when should I bring in a professional developer? 18 →
- What does building and running internal tools with AI actually cost compared to SaaS subscriptions? 18 →
- How do I get a live dashboard of my business metrics with AI instead of wrestling with BI tools? 18 →
Also in Starting Up
The same ground, over in Build the product, our Starting Up track.
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