Malicious code in zzfadgivar12 (RubyGems)
Malicious code was discovered in the zzfadgivar12 RubyGems package. The package was identified by the OpenSSF malicious packages project and reported via GitHub Advisory GHSA-54hm-p5mv-4hjw.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of the malicious package versions
- Ecosystems
- Attack vectors
- Affected entities
- zzfadgivar12
The zzfadgivar12 package on RubyGems was found to contain malicious code. This discovery was credited to the OpenSSF's malicious packages project, which maintains a repository of known malicious software artifacts across multiple ecosystems.\n\nThe incident was documented in GitHub Advisory GHSA-54hm-p5mv-4hjw and tracked in the OpenSSF malicious packages repository under identifier MAL-2026-9948. The package was classified as critical severity due to the presence of intentional malicious code.\n\nAs a supply chain attack, this represents a direct compromise of the package distribution channel, where malicious code was introduced into a publicly available RubyGems package.
Indicators of compromise
- Packages
- zzfadgivar12
Remediation
- Remove or uninstall the zzfadgivar12 package from all systems and projects
- Audit any systems that may have installed this package for signs of compromise
- Review the GitHub Advisory GHSA-54hm-p5mv-4hjw for detailed technical indicators
- Check the OpenSSF malicious packages repository for additional context and indicators of compromise
- Update dependency management tools to block or alert on this package
Sources
- GitHub Advisory GHSA-54hm-p5mv-4hjw · GitHub Advisory Database
Cite this entry
"Malicious code in zzfadgivar12 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzfadgivar12-rubygems-1y6ahi
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