Category Broken Access Control Examples

Broken Access Control Examples

Insecure Direct Object Reference IDOR: Missing Object Check

Insecure direct object reference IDOR shown as a user changing User-101 to User-102 bypassing a missing API check

Insecure Direct Object Reference (IDOR) is a broken authorization flaw. You’re logged in, so the server trusts you. Change a number in the URL or swap a user ID, and it hands over data it shouldn’t. This isn’t hacking; it’s…

Leon I. Hicks
July 9, 2026

Broken Access Control Examples

Types of Broken Access Control That Break Your App

Types of broken access control depicted through system alerts, corrupted code, and unauthorized admin panel access

Broken access control happens when an app’s permissions fail. Users can then see someone else’s data or act like an admin. It’s the top critical flaw in web apps, and it’s a server-side logic failure. You need to guard against…

Leon I. Hicks
July 8, 2026