Malicious code in zwtd104 (RubyGems)
Malicious code was discovered in the zwtd104 RubyGems package. The package was flagged by the OpenSSF malicious packages project and assigned advisory GHSA-x8v6-vchw-7v6h.
- Disclosed
- Last updated
- Blast radius
- Unknown scope; package name suggests limited adoption
- Ecosystems
- Attack vectors
- Affected entities
- zwtd104
The zwtd104 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 confirmed malicious software supply chain incidents.\n\nThe advisory GHSA-x8v6-vchw-7v6h was issued on 2026-07-18 and is tracked in the OpenSSF's malicious packages repository. No specific technical details about the malicious payload or affected versions are provided in the source material.\n\nUsers of this package should remove it immediately and audit their systems for any compromise.
Indicators of compromise
- Packages
- zwtd104
Remediation
- Remove the zwtd104 package from all environments
- Audit systems for any artifacts or changes introduced by the malicious package
- Review dependency trees to identify all affected projects
- Monitor for any suspicious activity on systems where the package was installed
Sources
- GitHub Advisory GHSA-x8v6-vchw-7v6h · GitHub Advisory Database
Cite this entry
"Malicious code in zwtd104 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zwtd104-rubygems-qlly64
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