Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Command injection in OptionParser.load#1090678 | N/A | Command and Code Injection | Low | 2021-03-07 | – | 1 |
| Response splitting vulnerability in WEBrick#153794 | Valid | Cross-site Scripting | Low | 2018-04-29 | – | 4 |
| CGI::Cookieクラスにおけるセキュリティ上好ましくない仕様および実装#1204977 | Valid | Injection and Smuggling | Low | 2022-11-24 | – | 6 |
| Ruby is shipping a vulnerable jQuery#519061 | Valid | No weakness recorded | Low | 2019-10-03 | – | 8 |
| lib/net/ftp.rb: trusting PASV responses allow client abuse#1145454 | Valid | Information Disclosure | Low | 2021-07-08 | – | 9 |
| Arbitrary heap overread in strscan on 32 bit Ruby, patch included#166661 | Valid | Information Disclosure | Low | 2016-11-17 | – | 17 |
| WEBrick::HTTPAuth::DigestAuth authentication is vulnerable to regular expression denial of service (ReDoS)#661722 | Valid | Denial of Service | Low | 2019-11-15 | – | 17 |
| NET::Ftp allows command injection in filenames#294462 | Valid | Command and Code Injection | Low | 2017-12-19 | – | 28 |
| Potential HTTP Request Smuggling in ruby webrickAnalysed#965267 | Valid | Injection and Smuggling | Low | 2020-10-29 | – | 53 |
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 (1,932 analysed so far), which can be wrong. Data as of 2026-11-15.