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RubyGems

31disclosed reports
$5,000paid in bounties
49known subdomains

See its reports on the map

Attack surface: 49 known subdomains

s3stagingadminapiau-maws-eu-cache…bb-mblogbundlercfchefcommondevdev-origindocgemdocsfastlyguideshelpindexmmailmailermirrorsmonitoringoidc-api-tok…oidc-api-tok…oidc-api-tok…

49subdomains across 1 root domain

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    Not every host here is in scope. Check the program's policy before testing. Last updated 2026-11-13.

    What gets reported to RubyGems

    Most upvoted reports

    AllValidInformativeN/ADuplicate

    1. Dependency repository hijacking aka Repo Jacking from GitHub repo rubygems/bundler-site & rubygems/bundler.github.io + bundler.io docsInformativeOpen Redirect · medium
      12 votes
    2. Request Hijacking Vulnerability in RubyGems 2.6.13 and earlierInformativeCommand Injection - Generic · low
      5 votes
    3. Cross-Domain JavaScript Source File Inclusion InformativeCross-site Scripting (XSS) - Generic · low
      3 votes