hunt-idor

To test for IDOR vulnerabilities in multi-tenant SaaS applications, identify endpoints with user-supplied IDs and substitute them with IDs from other legitimate resources to check for missing ownership validation. This structured methodology maps signals and enumerates ID types across REST and GraphQL services.

Finding and exploiting IDOR flaws in GraphQL endpoints involves mapping user-scoped data queries and substituting object identifiers to detect unauthorized access. This approach provides structured signals and reproducible test steps designed from real-world bug bounty patterns in SaaS and collaboration platforms.

You can chain IDOR vulnerabilities to demonstrate privilege escalation by using read-IDOR access to enumerate resources and then executing chained state-changing operations. This cross-tenant risk assessment shows how unauthorized data access can lead to financial loss or elevated privileges.

Yes, this IDOR hunting methodology works for both REST and GraphQL services. It is specifically designed to test user-scoped data access across multi-tenant platforms, providing step-by-step hunting methodology and chain-based risk assessment for unauthorized API access detection.

A structured IDOR hunting methodology involves defining the testing scope, mapping signals, enumerating ID types, and substituting identifiers in API requests to validate missing authorization checks. It includes reproducible test steps and recommended mitigations to demonstrate real-world impact.

You should perform IDOR security testing on user-scoped data platforms whenever APIs rely on user-supplied identifiers to access resources. Testing is crucial for multi-tenant SaaS and e-commerce environments to prevent unauthorized access and ensure proper ownership checks are enforced.