Security Breach Waiting to Happen: How Developer Tools Leak Your API Keys

Modern frontend frameworks like Next.js and Vite automatically expose environment variables prefixed with NEXT_PUBLIC_ or VITE_ to browser bundles, yet most developers don't realize their API keys and database credentials end up in client code. This creates a widespread vulnerability where recognizable secret patterns can be easily discovered by anyone inspecting network traffic or bundle files—often remaining undetected for months after deployment.