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resolvedcritical

Malicious code in zzpdfvar15 (RubyGems)

Malicious code was discovered in the zzpdfvar15 RubyGems package. The package contained intentional malicious functionality and was identified by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
All users of the zzpdfvar15 RubyGems package
Ecosystems
Attack vectors
Affected entities
  • zzpdfvar15

The zzpdfvar15 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 malicious package was published on RubyGems and could have affected any user who installed or depended on this package. The incident was assigned identifier MAL-2026-9972 in the OpenSSF malicious packages database.\n\nUsers of this package should immediately remove it from their dependencies and audit their systems for any compromise.

Indicators of compromise

Packages
  • zzpdfvar15

Remediation

  • Remove zzpdfvar15 from all project dependencies immediately
  • Audit systems that may have executed code from this package
  • Review package.lock or Gemfile.lock files to identify affected versions
  • Consider rotating any credentials or secrets that may have been exposed
  • Monitor for any suspicious activity on systems where this package was installed

Sources

  1. GitHub Advisory GHSA-37jx-r3rr-mrf3 · GitHub Advisory Database

Cite this entry

"Malicious code in zzpdfvar15 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzpdfvar15-rubygems-1myejx

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