Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Modify in-flight data to payment provider Smart2PayAnalysed#1295844 | Valid | Input Validation and Logic | Critical | 2021-08-10 | $7,500 | 443 |
| [help.steampowered.com] Account takeover bruteforcing SteamGuardAnalysed#407971 | Valid | Input Validation and Logic | High | 2019-01-23 | $2,500 | 112 |
| Steam chat - trade offer presentation vulnerabilityAnalysed#745447 | Valid | Input Validation and Logic | Medium | 2020-02-19 | – | 60 |
| [Source Engine] Material path truncation leads to Remote Code ExecutionAnalysed#544096 | Valid | Input Validation and Logic | High | 2021-05-06 | $2,500 | 60 |
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, where there is one, which can be wrong. Data as of 2026-11-15.