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resolvedcritical

Malicious code in zzfadgivar01 (RubyGems)

Malicious code was discovered in the zzfadgivar01 RubyGems package. The package was identified by the OpenSSF malicious packages project and reported via GitHub Security Advisory GHSA-9g95-jm3c-f79g.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of affected package versions
Ecosystems
Attack vectors
Affected entities
  • zzfadgivar01

The RubyGems package zzfadgivar01 contained malicious code and was flagged as a confirmed malicious package by the OpenSSF malicious packages project. The advisory was published on 2026-07-18 and assigned GitHub Security Advisory identifier GHSA-9g95-jm3c-f79g.\n\nThis incident represents a direct compromise of the package supply chain, where malicious code was introduced into a published package available to Ruby developers. The OpenSSF maintains a curated list of confirmed malicious packages across multiple ecosystems to help the community identify and avoid compromised dependencies.

Indicators of compromise

Packages
  • zzfadgivar01

Remediation

  • Remove zzfadgivar01 from all dependencies and lock files
  • Audit any systems or applications that may have installed this package
  • Review application logs for any suspicious activity that may have resulted from the malicious code execution
  • Update to a safe alternative package if zzfadgivar01 was providing legitimate functionality

Sources

  1. GitHub Advisory GHSA-9g95-jm3c-f79g · GitHub Advisory Database

Cite this entry

"Malicious code in zzfadgivar01 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzfadgivar01-rubygems-dberul

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