Challenges Category Name Objective Difficulty [⭐⭐⭐⭐⭐] Web CriticalOps Secret Key Disclosure, JWT ⭐ Web JinjaCare Server Side Template Injection ⭐ Web Neovault IDOR and MongoDB id bruteforce ⭐ Web CitiSmart Directory Fuzzing, API, Information Disclosure ⭐⭐ Web Speednet Graphql Introspection, IDOR, Bypass 2FA, Graphql Batching Attack, Account Takeover ⭐⭐ Web Novaenergy Directory Fuzzing, API, Information Disclosure ⭐⭐ Web sattrack JS Analysis, Client Side Prototype Pollution, JSON Injection, CSP Bypass, XSS ⭐⭐⭐