How an Unauthenticated API Endpoint Exposed 19,990 User Records

I Changed One URL Parameter and Found PII Exposed Across 19,990 User ProfilesHow a missing authorization check turned a profile API into a data exposure risk.In June 2026, while exploring an AI-focused freelance marketplace, I stumbled upon a security issue that perfectly illustrates one of the oldest lessons in application security:If your... Weiterlesen