CBBH
HackTheBox

HTB Certified Bug Bounty Hunter

Intermediate Multi-day practical web bug-bounty style exam + report Pass: Report/objective quality based; exact threshold n… $210

CBBH is a practical bug-bounty oriented credential centered on modern web/API attack techniques and reproducible findings. For 2026, focus on authz logic, chaining medium-severity issues, and crisp PoCs.

Official Page
IssuerHackTheBox
FormatMulti-day practical web bug-bounty style exam + report
DurationUp to 7 days (indicative)
Pass ScoreReport/objective quality based; exact threshold n…
Full Syllabus
Web Recon & Attack Surface Mapping 20%
Content discovery, auth flow mapping, API and role-model understanding.
Input Validation & Injection 25%
SQLi, command/template injection, deserialization and related data-flow flaws.
Authentication, Session & Access Control 25%
Broken auth, session handling, IDOR/BOLA, privilege boundary failures.
Business Logic & Modern Web Risks 15%
Race conditions, abuse paths, workflow manipulation, OAuth/JWT pitfalls.
Reporting & Patch Verification 15%
Clear PoC chains, risk contextualization, mitigation and validation guidance.