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resolvedcritical

Malicious code in zztxtwtmp03 (RubyGems)

Malicious code was discovered in the zztxtwtmp03 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
  • zztxtwtmp03

The zztxtwtmp03 package on RubyGems was found to contain malicious code. The discovery was credited to the OpenSSF (Open Source Security Foundation) and documented in their malicious packages repository.\n\nThis incident was identified and cataloged with reference MAL-2026-9990 in the OpenSSF's malicious packages tracking system. The package has been flagged as containing malicious code, indicating a compromised package supply chain incident.\n\nUsers of this package should immediately remove it from their dependencies and audit their systems for any potential compromise.

Indicators of compromise

Packages
  • zztxtwtmp03

Remediation

  • Remove zztxtwtmp03 from all Gemfiles and dependency manifests
  • Audit systems that may have executed code from this package
  • Review the OpenSSF malicious packages repository for details on the specific malicious behavior
  • Update to a safe alternative package if one exists
  • Monitor for any indicators of compromise on affected systems

Sources

  1. GitHub Advisory GHSA-9p77-phr3-f7r7 · GitHub Advisory Database

Cite this entry

"Malicious code in zztxtwtmp03 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zztxtwtmp03-rubygems-1m970p

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