🔧 Path Traversal: What It Is, Why It's Dangerous, and How to Stop Attackers from Reading Files They Shouldn't

Path traversal is a web vulnerability where an attacker reads files outside the directory your application intends to serve. It sounds simple, but the impact can be severe. One missing validation and an attacker can walk straight into your .env, your database backups, or your cloud credentials using nothing more than ../ in a URL.

The mock server...