medium.com/tag/ctf-writeup· Aug 5, 2026· by Fuad Khan

TryHackMe Writeup — Corridor

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In the TryHackMe “Corridor” challenge, players navigate a series of doors to uncover potential IDOR vulnerabilities hidden within… 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.
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