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resolvedcritical

Malicious code in zzfadgivar13 (RubyGems)

Malicious code was published in the zzfadgivar13 RubyGems package. The package was identified and cataloged 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
Attack vectors
Affected entities
  • zzfadgivar13

The RubyGems package zzfadgivar13 contained malicious code and was published to the public package registry. The malicious package 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 assigned identifier MAL-2026-9949 in the OpenSSF malicious packages database. This incident was disclosed on 2026-07-18 via a GitHub Security Advisory (GHSA-q6c5-3cwj-5vvw).\n\nUsers who installed this package may have been compromised. Immediate action is required to identify and remove any installations of this malicious package.

Indicators of compromise

Packages
  • zzfadgivar13

Remediation

  • Remove any installations of zzfadgivar13 from affected systems
  • Audit systems that may have installed this package for signs of compromise
  • Review the OpenSSF malicious packages database for details on the specific malicious behavior
  • Update dependency management tools to block or flag this package

Sources

  1. GitHub Advisory GHSA-q6c5-3cwj-5vvw · GitHub Advisory Database

Cite this entry

"Malicious code in zzfadgivar13 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzfadgivar13-rubygems-rrtswt

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