Malicious code in zzjinavcssvn (RubyGems)
Malicious code was published in the zzjinavcssvn RubyGems package. The package was identified by the OpenSSF malicious packages project and reported via GitHub Advisory GHSA-gh85-vrrg-vhq6.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of affected versions
- Ecosystems
- Attack vectors
- Affected entities
- zzjinavcssvn
The RubyGems package zzjinavcssvn contained malicious code and was identified as part of the OpenSSF's malicious packages tracking effort. The advisory was published on 2026-07-18 and assigned GitHub Advisory ID GHSA-gh85-vrrg-vhq6.\n\nThe package appears to be a typosquatting or intentionally malicious package published to the RubyGems repository. No specific technical details about the malicious payload are provided in the source material.\n\nUsers who have installed this package should remove it immediately and audit their systems for any unauthorized activity.
Indicators of compromise
- Packages
- zzjinavcssvn
Remediation
- Remove the zzjinavcssvn package from all affected systems
- Audit systems for any unauthorized activity or data exfiltration
- Review application dependencies to ensure no reliance on this package
- Update Gemfile and Gemfile.lock to remove references to zzjinavcssvn
- Monitor for any suspicious behavior in applications that may have used this package
Sources
- GitHub Advisory GHSA-gh85-vrrg-vhq6 · GitHub Advisory Database
Cite this entry
"Malicious code in zzjinavcssvn (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzjinavcssvn-rubygems-1dluoa
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