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resolvedcritical

Malicious code in zzfadgivar06 (RubyGems)

Malicious code was discovered in the zzfadgivar06 RubyGems package. The package was identified by the OpenSSF malicious-packages project and reported via GitHub Advisory GHSA-3j6m-654q-8x4q.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of the malicious package versions
Ecosystems
Attack vectors
Affected entities
  • zzfadgivar06

The RubyGems package zzfadgivar06 was found to contain malicious code. This discovery was credited to the OpenSSF's malicious-packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe incident was formally documented in GitHub Advisory GHSA-3j6m-654q-8x4q and assigned the malicious package identifier MAL-2026-9942 in the OpenSSF's tracking system.\n\nThe package has been flagged as critical severity due to the presence of intentional malicious code in the distribution.

Indicators of compromise

Packages
  • zzfadgivar06

Remediation

  • Remove any installations of zzfadgivar06 from RubyGems
  • Audit systems that may have installed this package for signs of compromise
  • Review dependency manifests (Gemfile, gemspec) to ensure this package is not listed as a dependency
  • Monitor for any suspicious activity on systems where this package was installed

Sources

  1. GitHub Advisory GHSA-3j6m-654q-8x4q · GitHub Advisory Database

Cite this entry

"Malicious code in zzfadgivar06 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzfadgivar06-rubygems-18mi9x

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