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resolvedcritical

Malicious code in zztxtwtmp13 (RubyGems)

Malicious code was discovered in the zztxtwtmp13 RubyGems package. The package was identified and reported by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of affected versions
Ecosystems
Attack vectors
Affected entities
  • zztxtwtmp13

The zztxtwtmp13 package on RubyGems was found to contain malicious code. The discovery was credited to the OpenSSF (Open Source Security Foundation) malicious packages initiative, which maintains a catalog of known malicious packages across multiple ecosystems.\n\nThe incident was documented in GitHub Advisory GHSA-4g38-gv6r-x2fh and tracked in the OpenSSF malicious packages repository under identifier MAL-2026-10000. The advisory was published on July 18, 2026.\n\nNo specific technical details about the malicious payload or affected versions are provided in the source material.

Indicators of compromise

Packages
  • zztxtwtmp13

Remediation

  • Remove zztxtwtmp13 from all dependencies and lock files
  • Audit any systems that may have installed this package for signs of compromise
  • Review the OpenSSF malicious packages repository for additional context and indicators of compromise
  • Update to a safe alternative if zztxtwtmp13 was providing legitimate functionality

Sources

  1. GitHub Advisory GHSA-4g38-gv6r-x2fh · GitHub Advisory Database

Cite this entry

"Malicious code in zztxtwtmp13 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zztxtwtmp13-rubygems-1x9e0f

Suggest a correction

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