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resolvedcritical

Malicious code in zztxtwtmp09 (RubyGems)

Malicious code was published in the zztxtwtmp09 RubyGems package. The package was identified by the OpenSSF malicious-packages project and reported via GitHub Advisory GHSA-g2mw-hc98-7xw3.

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Disclosed
Last updated
Blast radius
Unknown; depends on adoption of the malicious package versions
Ecosystems
RubyGems
Attack vectors
Compromised package
Affected entities
  • zztxtwtmp09

The RubyGems package zztxtwtmp09 contained malicious code and was identified as part of the OpenSSF's malicious-packages tracking effort. The advisory was published on 2026-07-18 and assigned GitHub Advisory identifier GHSA-g2mw-hc98-7xw3.\n\nThe malicious package was detected and cataloged by the OpenSSF malicious-packages project, which maintains a repository of known malicious software supply chain incidents. This incident is tracked under the identifier MAL-2026-9996.\n\nUsers who have installed or depend on zztxtwtmp09 should immediately remove or update to a safe version if one is available, or remove the dependency entirely.

Indicators of compromise

Packages
  • zztxtwtmp09

Remediation

  • Remove the zztxtwtmp09 package from all projects and dependencies
  • Audit systems that may have installed or executed code from zztxtwtmp09
  • Check for any suspicious activity or artifacts left by the malicious package
  • Review the OpenSSF malicious-packages repository for additional context and indicators of compromise

Sources

  1. GitHub Advisory GHSA-g2mw-hc98-7xw3 · GitHub Advisory Database

Cite this entry

"Malicious code in zztxtwtmp09 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zztxtwtmp09-rubygems-5nj6fz

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