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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:Ruby
Status
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Year
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Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
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  • A user account0
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Clear filters73 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Integer Underflow @ ossl_cipher_pkcs5_keyivgen#304115InformativeMemory Corruption–2018-02-23––
Invalid URL parsing '#'#341634InformativeNo weakness recorded–2018-05-01––
SEGV in parse_rat()#363934InformativeDenial of Service–2018-06-13––
Heap corruption in DateTime.strftime() on 32 bit for certain format strings#144484InformativeMemory Corruption–2016-06-21–1
Open aws s3 bucket s3://rubyci#257276N/AInformation Disclosure–2017-08-06–1
Provide a security sistem most fit to our team#281850N/ANo weakness recorded–2017-12-15–1
Potential command injection in `Shell#[]` and `Shell#test`#327512ValidCommand and Code Injection–2019-10-16–1
HTTP header can split /[\r\n]/ instead of /\r\n/#331984ValidNo weakness recorded–2019-10-25–1
DRb denial of service vulnerability#898614InformativeDenial of Service–2021-03-07–1
Command injection in OptionParser.load#1090678N/ACommand and Code Injection–2021-03-07–1
Heap corruption in string.c tr_trans() due to undersized buffer#144485InformativeMemory Corruption–2016-06-21–2
Ruby 2.3.x and 2.2.x still bundle DoS vulnerable verision of libYAML#235842ValidMemory Corruption–2017-10-25–3
Null character at fnmatch#449617ValidNo weakness recorded–2019-10-16–3
Net::SMTP with tls allows forged certificates as long as the hostname matches#980249InformativeCryptography–2021-01-25–3
XMLRPC does not limit deserializable classes.#1189419InformativeDeserialization and Object Injection–2023-08-01–3
Bug Report : [ No Valid SPF Records ]#1301696InformativeNo weakness recorded–2022-01-13–3
Response splitting vulnerability in WEBrick#153794ValidCross-site Scripting–2018-04-29–4
Parsing invalid unicode codepoints using json c extension (2.0.1+) triggers a segfault#198927ValidMemory Corruption–2017-10-25–4
Ruby 2.4.1 has "Stack consistency error" and aborts when processing return statement within a case statement#247640InformativeMemory Corruption–2017-09-24–4
Source code disclosed via S3 Bucket#778931N/AInformation Disclosure–2020-02-13–4
OS Command Injection in '/lib/un.rb -- Utilities to replace common UNIX commands in Makefiles etc'#1158824InformativeCommand and Code Injection–2021-07-19–4
Stored XSS in RDoc hyperlinks through javascript scheme#1977258InformativeCross-site Scripting–2023-07-18–4
Ruby:HTTP Header injection in 'net/http'#146416InformativeOpen Redirect–2017-02-27–5
Escape sequence injection vulnerability in WEBrick BasicAuth#223363ValidCommand and Code Injection–2017-09-15–5
Resolv::getaddresses bug that can be abused to bypass security measures.#287835InformativeMisconfiguration and Insecure Design–2018-02-23–5
XSS exploit of RDoc documentation generated by rdoc#1321358InformativeCross-site Scripting–2023-07-18–5
ReDoS in Time.rfc2822#1485501ValidNo weakness recorded–2023-05-16–5
Header CRLF Injection in Ruby Net::HTTP#1718757InformativeInjection and Smuggling–2023-05-04–5
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#1204977ValidInjection and Smuggling–2022-11-24–6
Buffer underflow in sprintf#192127ValidMemory Corruption–2017-03-05–7
public report - Reproducible - Writable RubyCi Amazon s3 bucket[207053]#209251ValidAuthentication–2017-03-29–7
OS Command Injection in 'rdoc' documentation generator#1161691ValidCommand and Code Injection–2021-07-13–7
Attacker can smuggle a malicious domain in a URI object.#156615InformativeOpen Redirect–2022-12-13–8
Ruby is shipping a vulnerable jQuery#519061ValidNo weakness recorded–2019-10-03–8
Code Injection Bug Report#745921ValidCommand and Code Injection–2021-05-07–8
'net/ftp': Uncontrolled Resource Consumption (Memory/CPU)#1165748InformativeDenial of Service–2021-04-21–8
RubyのCGIライブラリにHTTPレスポンス分割(HTTPヘッダインジェクション)があり、秘密情報が漏洩する#1204695ValidInjection and Smuggling–2022-11-24–8
Arbitrary heap exposure in JSON.generate#209949ValidMemory Corruption–2017-09-25–9
RCE (Remote Code Execution) Vulnerability on Ruby#218342N/AFile and Path Handling–2017-04-05–9
lib/net/ftp.rb: trusting PASV responses allow client abuse#1145454ValidInformation Disclosure–2021-07-08–9
'net/http': HTTP Header Injection in the set_content_type method#1168205InformativeInjection and Smuggling–2022-02-04–9
SMTP command injection#137631ValidCommand and Code Injection–2016-06-30–10
imap: StartTLS stripping attack (CVE-2016-0772).#1178562ValidCryptography–2021-07-08–10
OpenSSL::X509::Name Equality Check Does Not Work, Patch included#387250ValidCryptography–2018-10-19–11
Take back my all data from limfuimay@gmail.com#282588SpamNo weakness recorded–2017-12-15–12
controlled buffer under-read in pack_unpack_internal()#298246ValidMemory Corruption–2018-03-30–12
StringIO strio_getline() can divulge arbitrary memory#144482ValidMemory Corruption–2016-06-21–13
Bugs#281942SpamNo weakness recorded–2017-12-15–13
The possibility that unintended file operation may be performed because some methods of `Dir` do not check NULL characters.#302338ValidAccess Control–2018-04-01–13
Writable RubyCi Amazon s3 bucket#207053ValidAuthentication–2017-02-27–14

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.

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