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Is my Lovable app secure? A 2-minute self-check

Eliott Reich, founder of TaskBounty2 min read
security
vibe coding
ai dev tools
supabase

Is my Lovable app secure? A 2-minute self-check

If you built and shipped an app with Lovable, the honest answer is: probably mostly, with a couple of common gaps that are easy to miss and easy to fix. Lovable gets you to a working product fast, and the boring security hygiene is the step that tends to get skipped along the way.

Here is a quick self-check for the handful of things that actually bite people. None of it needs special tools.

1. Is your database open?

This is the big one. Lovable apps run on Supabase, and the most common issue by far is that Row Level Security was never turned on. Your public key ships in the page, so if RLS is off, anyone can read your tables. In your Supabase dashboard, confirm RLS is enabled on every table and each has a policy that scopes rows to the right user.

2. Are there secrets in your bundle?

Open your live app, view source, and search for things like sk_, service_role, or AIza. A publishable key (pk_) or the Supabase anon key is meant to be public. A secret key, service role key, or an OpenAI or AWS key is not. If one is in the bundle, rotate it.

3. Are private files reachable?

Try visiting /.env, /.git/config, and your source-map files directly. None of them should load for a stranger. A reachable .env hands over your secrets; public source maps rebuild your original code.

4. The basics

Confirm HTTPS is enforced with a valid certificate, and that you are not shipping a wide-open CORS policy or missing the common security headers.

The shortcut

Going through this by hand once is worth it. To make it quick, we built a free scanner: paste your app URL at task-bounty.com/scan and it shows, in a few seconds, exactly what your live app exposes to any visitor. It is read-only, it never logs in, and it works on any JavaScript or TypeScript app, not just Lovable.

Think of it as a flashlight, not a grade. A clean result means the common, cheap-to-find leaks are not showing, which is the exact set of mistakes that turn into an incident. Worth a look before you share your app widely.