Malicious code in zzjinavcshg (RubyGems)
Malicious code was discovered in the zzjinavcshg RubyGems package. The package was identified by the OpenSSF malicious packages project and reported via GitHub Security Advisory GHSA-5c6q-wgr7-jpmj.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of affected versions
- Ecosystems
- Attack vectors
- Affected entities
- zzjinavcshg
The RubyGems package zzjinavcshg was found to contain malicious code. The discovery was credited to the OpenSSF's malicious packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe advisory was published on 2026-07-18 and assigned GitHub Security Advisory identifier GHSA-5c6q-wgr7-jpmj. The malicious package entry is tracked in the OpenSSF repository under MAL-2026-9953.\n\nUsers of this package should immediately remove it from their dependencies and audit their systems for any compromise.
Indicators of compromise
- Packages
- zzjinavcshg
Remediation
- Remove zzjinavcshg from all project dependencies immediately
- Audit systems and applications that may have installed or executed code from zzjinavcshg
- Review logs for any suspicious activity coinciding with the package installation
- Consider rotating credentials and secrets that may have been exposed
- Monitor for indicators of compromise related to this malicious package
Sources
- GitHub Advisory GHSA-5c6q-wgr7-jpmj · GitHub Advisory Database
Cite this entry
"Malicious code in zzjinavcshg (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzjinavcshg-rubygems-13m8sp
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