Malicious code in zztxtwtmp04 (RubyGems)
Malicious code was discovered in the zztxtwtmp04 RubyGems package. The package was identified by the OpenSSF malicious packages project and reported via GitHub Advisory GHSA-9895-v6m3-rp7r.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of affected versions
- Ecosystems
- Attack vectors
- Affected entities
- zztxtwtmp04
The zztxtwtmp04 package in the RubyGems ecosystem was found to contain malicious code. The discovery was credited to the OpenSSF's malicious packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe advisory was published on July 18, 2026, and assigned GitHub Advisory identifier GHSA-9895-v6m3-rp7r. The malicious package entry is tracked in the OpenSSF's malicious packages repository under MAL-2026-9991.\n\nNo specific technical details about the malicious payload or affected versions are provided in the source material.
Indicators of compromise
- Packages
- zztxtwtmp04
Remediation
- Remove zztxtwtmp04 from all dependencies and lock files
- Audit any systems that may have installed this package for signs of compromise
- Review the OpenSSF malicious packages database for additional context and indicators of compromise
- Update to a safe alternative package if zztxtwtmp04 was being used for legitimate functionality
Sources
- GitHub Advisory GHSA-9895-v6m3-rp7r · GitHub Advisory Database
Cite this entry
"Malicious code in zztxtwtmp04 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zztxtwtmp04-rubygems-1degwl
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