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resolvedcritical

Malicious code in zwxbclic (RubyGems)

Malicious code was discovered in the zwxbclic package on RubyGems. The package was identified by the OpenSSF malicious packages project and assigned advisory GHSA-5mv7-2rx3-fjhp.

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Disclosed
Last updated
Blast radius
All users of the zwxbclic package on RubyGems
Ecosystems
Attack vectors
Affected entities
  • zwxbclicRubyGems package

The zwxbclic package on RubyGems was found to contain malicious code. This incident was identified 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 GitHub Security Advisory GHSA-5mv7-2rx3-fjhp and tracked under the OpenSSF malicious packages database as MAL-2026-9930. The discovery was published on July 18, 2026.\n\nAffected users should immediately remove or update the zwxbclic package from their environments.

Indicators of compromise

Packages
  • zwxbclic

Remediation

  • Remove the zwxbclic package from all affected systems
  • Audit systems that may have executed code from zwxbclic for signs of compromise
  • Review package dependencies to identify any reliance on zwxbclic
  • Update to a safe version if one is available, or replace with an alternative package

Sources

  1. GitHub Advisory GHSA-5mv7-2rx3-fjhp · GitHub Advisory Database

Cite this entry

"Malicious code in zwxbclic (RubyGems)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 18, 2026; last updated July 18, 2026. https://supplychainattack.org/incident/malicious-code-in-zwxbclic-rubygems-1jaoy7

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