Reading Secrets Straight From the Browser: The NEXT_PUBLIC_ Trap

📰 Medium · Cybersecurity

Learn how exposing API keys in JavaScript bundles can compromise security and why it matters

intermediate Published 18 Apr 2026

Action Steps

Check your code for exposed API keys
Use environment variables to store sensitive data
Configure your build process to exclude secrets from client-side code
Test your application for potential security vulnerabilities
Implement a secrets management system to securely store and manage API keys

Who Needs to Know This

Developers and cybersecurity teams can benefit from understanding the risks of exposing API keys in client-side code, to prevent security breaches and protect sensitive information

Key Insight

💡 Exposing API keys in client-side code can lead to security breaches and unauthorized access to sensitive data