Malicious code in zzpdfvar07 (RubyGems)
Malicious code was discovered in the zzpdfvar07 RubyGems package. The package was identified by the OpenSSF malicious packages project and assigned identifier MAL-2026-9964.
- Disclosed
- Last updated
- Blast radius
- All users of the zzpdfvar07 RubyGems package
- Ecosystems
- Attack vectors
- Affected entities
- zzpdfvar07RubyGems package
The zzpdfvar07 package on RubyGems was found to contain malicious code. This discovery was made and documented by the OpenSSF's malicious packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe package was assigned the malicious package identifier MAL-2026-9964 and reported through GitHub's advisory system (GHSA-pwfj-pcrw-r89m). The incident was published on July 18, 2026.\n\nAny system that installed or used the zzpdfvar07 package may be affected by the malicious code.
Indicators of compromise
- Packages
- zzpdfvar07
Remediation
- Remove the zzpdfvar07 package from all systems where it was installed
- Audit systems that had the package installed for signs of compromise
- Update to a safe version if a patched version is available, or use an alternative package
- Review package dependencies to identify any reliance on zzpdfvar07
Sources
- GitHub Advisory GHSA-pwfj-pcrw-r89m · GitHub Advisory Database
Cite this entry
"Malicious code in zzpdfvar07 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzpdfvar07-rubygems-q36t04
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