Firebase rules left open in Vercel
criticalUpdated Oct 12, 2026
Hosting on Vercel does not deploy Firebase rules. Deploy them with Firebase.
Fix for Vercel
Hosting on Vercel does not deploy Firebase rules. Deploy them with Firebase. The web app being on Vercel changes nothing about the database.
The five-minute check, the other platforms, and the agent prompt are on the full guide. More Vercel fixes are on the Vercel page.