Malicious code in zzfadgivar04 (RubyGems)
Malicious code was published in the zzfadgivar04 RubyGems package. The package was identified and cataloged by the OpenSSF malicious packages project.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of the malicious package versions
- Ecosystems
- Attack vectors
- Affected entities
- zzfadgivar04
The zzfadgivar04 package on RubyGems was found to contain malicious code. This incident was identified and documented by the OpenSSF's malicious packages project, which maintains a public record of known malicious software supply chain incidents.\n\nThe package was published to the RubyGems repository and represents a direct compromise of the package ecosystem. The OpenSSF attribution and tracking (MAL-2026-9940) indicates this was a confirmed malicious package incident.\n\nUsers who installed this package should remove it immediately and audit their systems for any unauthorized activity.
Indicators of compromise
- Packages
- zzfadgivar04
Remediation
- Remove the zzfadgivar04 package from all affected systems
- Audit systems that installed this package for signs of compromise
- Review application dependencies to ensure no reliance on this package
- Update to a safe alternative if zzfadgivar04 was providing legitimate functionality
Sources
- GitHub Advisory GHSA-37gp-734p-v6pj · GitHub Advisory Database
Cite this entry
"Malicious code in zzfadgivar04 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzfadgivar04-rubygems-6gxspi
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