Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Directory Listing of publicly available assetsAnalysed#2311179 | Valid | Information Disclosure | Medium | 2025-09-29 | – | 70 |
| SVG filter primitives bypass remote image blocking, enabling email tracking without consent.Analysed#3486747 | Valid | Information Disclosure | Medium | 2026-04-20 | – | 53 |
| Roundcube Webmail Style Sanitizer can be bypassed using CSS Character EscapesAnalysed#3443563 | Valid | Information Disclosure | Medium | 2026-01-14 | – | 46 |
| Unauthenticated testing endpoint of notify_push expose internal IPAnalysed#3513471 | Valid | Information Disclosure | Medium | 2026-09-05 | $150 | 38 |
| Possible to enumerate valid files in password protected shares/files drop shares as well as spam folder with filesAnalysed#2376909 | Valid | Information Disclosure | Low | 2025-02-21 | – | 29 |
| Bypass of privacy filter / tracking pixel blockerAnalysed#1215251 | Valid | Information Disclosure | Medium | 2021-08-11 | $100 | 24 |
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 (4,182 analysed so far), which can be wrong. Data as of 2026-11-15.