Are Lovable websites secure?

Lovable includes built-in security scanning and API-key protection, but real security also depends on you setting up row-level security and role checks correctly — it isn't automatic just because you used Lovable.

How do I run a security audit on Lovable?

Open your project's Security view in Lovable to see automated scan results, then ask Lovable in chat to review RLS policies, role storage, and any exposed secrets in detail.

How do I secure a Lovable app before launch?

Before launch, verify RLS on every table, move roles into a dedicated user_roles table, confirm no secrets sit in front-end code, and run Lovable's Security view scan.

How do I check Supabase RLS?

Ask Lovable to list every table and its row-level security status and policies in plain language — Lovable Cloud users don't have Supabase dashboard access, so this has to go through chat.

Can users access my database?

Only through the access rules you (or your row-level security policies) allow — Lovable Cloud's database isn't publicly browsable, but a table without RLS enabled is effectively open to anyone with your app's public key.

Can users access other users' information?

Only if your row-level security policies are missing or too permissive — with correct RLS, a query for 'my orders' can only ever return rows owned by the logged-in user, regardless of what the front end sends.

How do I protect admin pages?

Check the user's role server-side (in the database query or Edge Function) using a dedicated user_roles table — hiding an admin link in the navigation menu doesn't stop someone visiting the URL directly.

How do I protect API keys?

Never put API keys in front-end code — store them as secrets used only inside server functions (Edge Functions), where the browser never sees them.

Where should secrets be stored?

In your project's server-side secrets store, used only inside Edge Functions — never in front-end code, client-side environment variables, or committed to your Git repository.

How do I secure Edge Functions?

Verify the caller's identity and role inside the function itself, validate all input, use secrets rather than hard-coded keys, and don't assume the front end already checked permissions.

How do I prevent database abuse?

Combine row-level security with rate limiting on writes, input validation, and CAPTCHA or similar checks on public forms — RLS stops unauthorised reads/writes, but it doesn't stop a legitimate-looking user from hammering an endpoint.

How do I rate-limit an API?

Add per-user or per-IP request limits inside your Edge Function (or via a Postgres table tracking recent requests), since Lovable doesn't apply rate limiting to your custom endpoints automatically.

Add a CAPTCHA (e.g. Cloudflare Turnstile) to public forms, validate inputs server-side, and rate-limit submissions — client-side-only checks like a hidden field are easy for real bots to bypass.

How do I prevent spam registrations?

Verify email addresses on sign-up, add a CAPTCHA to the registration form, rate-limit sign-up attempts per IP, and check the token server-side before creating an account.

How do I check a Lovable project for security vulnerabilities?

Open the project's Security view (or the workspace Security center) to run Lovable's built-in scan for exposed secrets, missing RLS, and vulnerable dependencies, then ask Lovable to fix what it flags.

What security checks should I do before launching?

Run Lovable's Security scan, verify RLS on every table, confirm secrets are server-side, check auth flows and admin permissions, and re-test payments before you Publish.

How do I make Lovable perform a security review without changing anything?

Explicitly tell Lovable to run in read-only review mode — ask it to report findings only and not touch any code, then decide what to fix yourself.

Is my Supabase anon key safe to expose?

Last checked 31 Aug 2026

Short answer

Yes. The Supabase anon key is meant to be public — it identifies your project, it does not grant access on its own. Access is controlled by row-level security (RLS) policies, not by hiding the key.

Why the anon key is safe

Supabase's anon (anonymous) key is designed to sit in front-end code, alongside your project URL. It doesn't carry admin rights — it just tells Supabase which project a request belongs to. What actually decides whether a request can read or write a row is row-level security (RLS), enforced on the database itself.

This is different from a Stripe secret key, a Resend API key, or any third-party key with billing or admin power. Those must never appear in front-end code.

What actually protects your data

RLS policies on every table, keyed to auth.uid() and a separate user_roles table for permissions — never a role column on the user's own row.
Tables with no RLS policy at all are usually either fully open or fully locked, depending on how RLS is enabled — this is the real risk, not the anon key.
The service role key (full admin access, bypasses RLS) is the key that must stay server-side only, and Lovable Cloud doesn't expose it to your front-end.

How to check you're actually protected

Review every table in the database and confirm RLS is enabled with policies that restrict rows to the right user or role. List any table where RLS is missing or too permissive.

Ask Lovable this before launch — see /questions/how-do-i-test-rls.

What usually goes wrong

Builders assume "the key is public, so I need to hide the database" and disable RLS to make development easier, then forget to re-enable it before launch.
Confusing the anon key with the service role key — only the latter is sensitive.
Storing custom secrets inside a table without RLS, thinking the anon key protects it — it doesn't; the table's own policies do.

For everything else that needs to stay hidden, see /questions/how-do-i-check-for-exposed-environment-variables.

Sources

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