Access Control Articles

How to Test for Insecure Direct Object References (IDOR) Vulnerabilities

Security & Authentication

Jan 12, 2027

11 min read

How to Test for Insecure Direct Object References (IDOR) Vulnerabilities

A user changes their URL from /api/users/123 to /api/users/124 and sees someone else's data. IDOR is one of the most common yet overlooked vulnerabilities. Learn how to test for it systematically and prevent unauthorized data access.

#IDOR #authorization testing #access control

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How to Test for Insecure Direct Object References (IDOR) Vulnerabilities

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