medium.com/tag/bug-bounty· Oct 30, 2026· by MohamedAdel

GraphQL IDOR: How a Missing Org Check Let Me Edit Another Tenant’s Permissions

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A single resolver skipped the cross-org check that every sibling mutation enforced correctly. Continue reading on Medium »
🎯 Vulnerability: Insecure Direct Object Reference (IDOR)
💡 Defense Fix: Enforce object-level access control checks (ABAC/RBAC) on the server side for every API request.
#graphql#pentesting#idor#cybersecurity#bug-bounty