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resolvedcritical

Malicious code in zzfadgivar11 (RubyGems)

Malicious code was published in the zzfadgivar11 RubyGems package. The package was identified and reported by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of the malicious package versions
Ecosystems
RubyGems
Attack vectors
Compromised package
Affected entities
  • zzfadgivar11

The zzfadgivar11 package on RubyGems was found to contain malicious code. The vulnerability was identified and documented by the OpenSSF's malicious packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe package was published on RubyGems and made available to the Ruby community. The malicious code was detected and reported, leading to the creation of GitHub Advisory GHSA-g379-wg6x-fjh2.\n\nThis incident demonstrates the ongoing risk of malicious packages being published to public package repositories and the importance of community-driven detection and reporting mechanisms.

Indicators of compromise

Packages
  • zzfadgivar11

Remediation

  • Remove or uninstall the zzfadgivar11 package from all systems and projects
  • Review project dependencies to ensure no reliance on zzfadgivar11
  • Check for any suspicious activity or artifacts that may have resulted from using this package
  • Monitor RubyGems advisories and use tools like Bundler Audit to detect known malicious packages

Sources

  1. GitHub Advisory GHSA-g379-wg6x-fjh2 · GitHub Advisory Database

Cite this entry

"Malicious code in zzfadgivar11 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzfadgivar11-rubygems-vo8hbl

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