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What is Insecure Direct Object Reference (IDOR)?
Definition
An access control vulnerability where an application provides direct access to objects based on user-supplied input without authorization checks.
Security Impact
Attackers can read or modify data belonging to other users simply by changing an ID in the URL or API payload.
How to Remediate
Implement strict Row-Level Security (RLS) or explicitly verify that the authenticated user owns the requested resource ID.
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