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resolvedcritical

Malicious code in zzpdfvar13 (RubyGems)

Malicious code was discovered in the zzpdfvar13 RubyGems package. The package was identified by the OpenSSF malicious packages project and assigned identifier MAL-2026-9970.

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Disclosed
Last updated
Blast radius
All users of the zzpdfvar13 RubyGems package
Ecosystems
Attack vectors
Affected entities
  • zzpdfvar13RubyGems package

The zzpdfvar13 package on RubyGems was found to contain malicious code. This incident 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 the malicious package identifier MAL-2026-9970 and reported through GitHub's advisory system (GHSA-pjjf-j634-7f9w). The discovery was published on July 18, 2026.\n\nAny system that installed or used the zzpdfvar13 package may be affected by the malicious code.

Indicators of compromise

Packages
  • zzpdfvar13

Remediation

  • Remove the zzpdfvar13 package from all affected systems
  • Audit systems that previously installed zzpdfvar13 for signs of compromise
  • Review package dependencies to identify any reliance on zzpdfvar13
  • Update to a safe alternative package if available
  • Monitor security advisories for related incidents

Sources

  1. GitHub Advisory GHSA-pjjf-j634-7f9w · GitHub Advisory Database

Cite this entry

"Malicious code in zzpdfvar13 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzpdfvar13-rubygems-1oaik3

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