Is Lovable secure enough for a real product with paying users?

Lovable's underlying stack (React, Supabase, standard hosting) is the same technology thousands of professionally built products use, so the platform itself is not the weak point. The weak point, documented by security researchers who audited dozens of vibe-coded apps, is configuration: Supabase Row Level Security (RLS) rules that are missing or too permissive, leaving database tables readable or writable by anyone who knows how to look.

This risk is manageable with a short checklist. Enable RLS on every table, without exception. Test as the wrong user: log out and try to fetch data, and log in as user A and try to read user B's records; both must fail. Ask Lovable directly to review your RLS policies and explain each one. And run Lovable's built-in security scanning, which now flags common misconfigurations.

The professional step that closes the gap: before charging real customers or storing sensitive data, pay a developer for a focused security review of your database rules, auth flows, and any API keys. This typically costs a few hundred dollars and a few days, and it converts 'probably fine' into 'verified.' Every credible guide to shipping on AI builders includes this step, and the founders who skip it are the ones in the horror-story threads.

Framed properly: Lovable gets you a real product for one percent of traditional cost, and the security review is part of that cost, not an optional extra.