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resolvedcritical

Malicious code in zwtd102 (RubyGems)

Malicious code was discovered in the zwtd102 RubyGems package. The package was identified and cataloged by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
All users of the zwtd102 RubyGems package
Ecosystems
RubyGems
Attack vectors
Compromised package
Affected entities
  • zwtd102RubyGems package

The zwtd102 package on RubyGems was found to contain malicious code. This incident was identified and documented by the OpenSSF (Open Source Security Foundation) as part of their malicious packages tracking effort.\n\nThe package was assigned the malicious package identifier MAL-2026-9902 in the OpenSSF's malicious packages repository. The advisory was published on GitHub on 2026-07-18.\n\nAny system that installed or used the zwtd102 package may have been affected by the malicious code embedded within it.

Indicators of compromise

Packages
  • zwtd102

Remediation

  • Remove the zwtd102 package from all systems where it was installed
  • Audit systems that previously had zwtd102 installed for signs of compromise
  • Review dependency trees to identify any projects that may have included zwtd102 as a transitive dependency
  • Update to a safe version if a patched version is available, or use an alternative package

Sources

  1. GitHub Advisory GHSA-2xj6-hc43-c7jj · GitHub Advisory Database

Cite this entry

"Malicious code in zwtd102 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zwtd102-rubygems-14u5w6

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