Malicious code in zzpdfvar05 (RubyGems)
Malicious code was discovered in the zzpdfvar05 RubyGems package. The package was identified by the OpenSSF malicious packages project and reported via GitHub Advisory GHSA-49pr-q84r-hfv8.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of affected versions
- Ecosystems
- Attack vectors
- Affected entities
- zzpdfvar05
The zzpdfvar05 package on RubyGems was found to contain malicious code. This incident was identified and 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 July 18, 2026, and assigned GitHub Advisory identifier GHSA-49pr-q84r-hfv8. The malicious package entry is tracked in the OpenSSF's malicious packages repository under MAL-2026-9962.\n\nUsers of the zzpdfvar05 package should immediately cease use and remove any affected versions from their environments."
Indicators of compromise
- Packages
- zzpdfvar05
Remediation
- Remove all versions of zzpdfvar05 from your Ruby environment
- Audit systems that may have installed or executed code from zzpdfvar05
- Review the GitHub Advisory GHSA-49pr-q84r-hfv8 for additional details and indicators of compromise
- Consider using alternative packages for the functionality previously provided by zzpdfvar05
Sources
- GitHub Advisory GHSA-49pr-q84r-hfv8 · GitHub Advisory Database
Cite this entry
"Malicious code in zzpdfvar05 (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zzpdfvar05-rubygems-1s8qr1
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