An honest security analysis of Fly.io for developers considering it for their projects.
Fly.io is safe for production with proper secrets management. Edge deployments require careful attention to secret synchronization.
Fly.io provides secure edge deployment. Properly manage secrets and network configuration for production use.
Understanding Fly.io security in the context of broader industry trends and research.
of Lovable applications (170 out of 1,645) had exposed user data in the CVE-2025-48757 incident
Source: CVE-2025-48757 security advisory
average cost of a data breach in 2023
Source: IBM Cost of a Data Breach Report 2023
developers using vibe coding platforms like Lovable, Bolt, and Replit
Source: Combined platform statistics 2024-2025
“There's a new kind of coding I call 'vibe coding', where you fully give in to the vibes, embrace exponentials, and forget that the code even exists.”
“Vibe coding your way to a production codebase is clearly risky. Most of the work we do as software engineers involves evolving existing systems, where the quality and understandability of the underlying code is crucial.”
Don't guess - scan your app and know for certain. VAS checks for all the common security issues in Fly.io applications.