Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| HMAC signature verification omits endpoint and payload allowing request forgery on CoinMate API#3670955 | Valid | Cryptography | Low | 2026-05-20 | – | 66 |
| POST /api/bitcoinWithdrawalFees returns financial data without authentication despite being documented as a USER OPERATION (private endpoint)#3676308 | Valid | Authentication | Medium | 2026-05-20 | – | 93 |
| Adding phone number to profile By OTP brute forcing#3265780 | Valid | Information Disclosure | Medium | 2026-08-08 | $100 | 114 |
Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (227 analysed so far), which can be wrong. Data as of 2026-11-14.