hunt-oauth

To test OAuth redirect_uri validation bypasses, you systematically map the authorization flow and execute targeted tests against the callback handler to verify it properly validates redirect targets and prevents token leakage.

Critical OAuth vulnerabilities leading to account takeover include flawed redirect_uri validation, state parameter CSRF, nonce replay, and improper token exchange logic in federated login or social authentication implementations.

Find session theft and authentication bypass issues in OIDC flows by systematically analyzing authorization endpoints, token exchange logic, and mobile deep link exploit vectors for improper validation mechanisms.

Yes, this OAuth vulnerability hunting methodology works for mobile applications by executing targeted tests for mobile deep link exploits and analyzing custom OAuth providers utilized in federated login setups.

Yes, you can use this approach to audit multi-tenant SaaS platform authentication by verifying if the OAuth callback handler properly validates the state parameter and prevents token leakage.

The best way to enumerate OAuth flow entry points for bug bounty hunting is to systematically map the authorization endpoints and analyze the token exchange logic to identify critical security gaps.