Vibe Coded App Security: 10-Point Check (2026)

Your app works. You can sign up, click around and even take a payment. That is exactly when most people stop. But “it works” and “it’s safe for real users” are two different tests, and the second one is the one that matters once strangers start typing their email into your sign-up form.

This is the vibe coded app security checklist I’d run before sharing a Lovable, Bolt, v0 or Cursor app with anyone. Ten checks, in order of how much damage they prevent, each with what to look at, where to look and how to fix it. None of them need a security background. If a check fails and you want the deep fix, I link to the full guide for it, starting with Supabase RLS, which is where most of the real damage happens.

Quick answer: turn on row level security for every table and make sure each policy only lets users reach their own rows, keep secret keys out of the browser and out of Git, enforce sign-in on the server, lock down storage, verify Stripe webhooks, protect previews, then run Lovable’s or Bolt’s scan plus the Supabase Security Advisor.

#	Check	Where to look	Risk if it fails
1	RLS on every table	Supabase Security Advisor	Anyone can read, edit or delete the table
2	Policies only allow own rows	Database, Policies	Users see each other’s data
3	No secret keys in the frontend	Built JS files, env var names	Full database or Stripe access
4	No secrets in Git	.gitignore, GitHub secret scanning	Leaked keys stay in history
5	Sign-in enforced on the server	Edge functions, API routes	Anyone can call protected actions
6	Sign-in settings ready for production	Supabase Authentication settings	Broken logins, weak passwords, spam sign-ups
7	Storage buckets private	Storage policies	Private files public or listable
8	Stripe verified on the server	Webhook handler, prices	Free upgrades, fake payments
9	Server functions and previews locked	Vercel and function settings	Open endpoints and preview URLs
10	Scanners run and findings fixed	Lovable, Bolt, Supabase	Known issues ship to users

Want it checked and fixed for you? Launch Mango makes your app yours and safe for real users. Own and Secure is $199 one-off: your Lovable, Bolt, v0 or Cursor app moved onto your own GitHub, Supabase and Vercel accounts, plus sign-in and redirects checked and fixed, Supabase RLS and database permissions locked down, exposed API keys removed from the frontend, live Stripe payments and webhooks, a security report and your custom domain included. Only need to get off the builder? Own Your App is $79 one-off. Money back if it isn’t live on your accounts. Not sure how exposed yours is? Run the free 2-minute app check.

Why Are Vibe-Coded Apps Often Insecure?

Vibe-coded apps are often insecure because the builder optimizes for a working demo, not for strangers poking