Malicious code in zwwactb3703 (RubyGems)
Malicious code was published in the RubyGems package zwwactb3703. The package was identified and reported by the OpenSSF malicious packages project.
- Disclosed
- Last updated
- Blast radius
- Unknown scope; package name suggests limited adoption
- Ecosystems
- Attack vectors
- Affected entities
- zwwactb3703
A RubyGems package named zwwactb3703 was found to contain malicious code. The package was identified and documented by the OpenSSF's malicious packages project, which maintains a catalog of confirmed malicious software artifacts.\n\nThe incident was published on GitHub advisories (GHSA-4w85-8p32-rwj8) on 2026-07-18. The OpenSSF attribution indicates this was part of their systematic tracking of malicious packages across package ecosystems.\n\nNo specific technical details about the malicious payload or affected versions are provided in the source material.
Indicators of compromise
- Packages
- zwwactb3703
Remediation
- Remove zwwactb3703 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
Sources
- GitHub Advisory GHSA-4w85-8p32-rwj8 · GitHub Advisory Database
Cite this entry
"Malicious code in zwwactb3703 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zwwactb3703-rubygems-15kq1k
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