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resolvedcritical

Malicious code in zztest17785553774 (RubyGems)

Malicious code was published in the zztest17785553774 package on RubyGems. The package was identified and reported by the OpenSSF malicious-packages project.

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Disclosed
Last updated
Blast radius
Unknown; likely limited to direct users of the malicious package
Ecosystems
RubyGems
Attack vectors
Compromised package
Affected entities
  • zztest17785553774Malicious package published to RubyGems

A malicious package named zztest17785553774 was published to the RubyGems package repository. The package contained malicious code and was identified as part of the OpenSSF's malicious-packages tracking effort.\n\nThe incident was disclosed on 2026-07-18 and assigned identifier MAL-2026-9981. The package has been flagged in the OpenSSF malicious-packages repository, indicating it was detected and documented as a known malicious artifact.\n\nUsers who installed this package should remove it immediately and audit their systems for any unauthorized changes or activity.

Indicators of compromise

Packages
  • zztest17785553774

Remediation

  • Remove the zztest17785553774 package from all affected systems
  • Audit systems for any unauthorized changes or activity introduced by the malicious package
  • Review dependency trees to identify all systems that may have installed this package
  • Monitor for any indicators of compromise related to this package

Sources

  1. GitHub Advisory GHSA-j57m-7m27-xm6j · GitHub Advisory Database

Cite this entry

"Malicious code in zztest17785553774 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zztest17785553774-rubygems-lw9fg6

Suggest a correction

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