First-quarter 2026 assessment of 200 apps
183 of 200 vibe-coded apps, 91.5 percent, contained at least one vulnerability traceable to AI hallucination or missing security context.
Finding
A plain request to {endpoint} returned data with no sign in, so the rules on that database let anonymous readers in.
Before launch · Needs a developer
Firebase ships with open rules while you build, and the console says so. Turning them into real rules is a separate task with no deadline attached, and the app behaves identically either way.
A plain request to {endpoint} returned data with no sign in, so the rules on that database let anonymous readers in.
GET https://example-app.firebaseio.com/.json returned 200 with data
Every finding on a result carries a line like this one: the request that was made and the answer that came back. You can run the same request yourself and get the same answer, which is the point.
Replace the open rules with rules that require an authenticated caller and scope each path to its owner.
Prompt for your coding agent
Rewrite the Firebase database rules so no path is readable or writable without an authenticated caller scoped to the owner.
A result gives you this prompt written for your builder, in its own dialect, and a batch prompt that carries every fix at once.
183 of 200 vibe-coded apps, 91.5 percent, contained at least one vulnerability traceable to AI hallucination or missing security context.
An app exposed 4.75 million records, including 1.5 million API tokens and 35,000 email addresses.
An unprotected storage instance exposed tens of thousands of user images, including identity documents.
Three days after the first breach, over a million private messages were exposed through an API endpoint with no access control.
Broken access control reported across 170 production applications built with Lovable.
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Last updated September 20, 2026