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Malware in @contentprod-authoring/block-manager

Malware was discovered in the npm package @contentprod-authoring/block-manager. Systems with this package installed are considered fully compromised and require immediate remediation.

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Disclosed
Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • @contentprod-authoring/block-manager

A malicious version of the npm package @contentprod-authoring/block-manager was identified and published to the npm registry. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The malware may have provided attackers with access to secrets, keys, and other sensitive data stored on affected systems.\n\nRemoval of the package does not guarantee removal of all malicious software, as the attacker may have established additional persistence mechanisms during the compromise. Full system remediation is required."

Indicators of compromise

Packages
  • @contentprod-authoring/block-manager

Remediation

  • Immediately rotate all secrets and keys from a clean, unaffected computer
  • Remove the @contentprod-authoring/block-manager package from all systems
  • Conduct a full forensic investigation of affected systems for additional malware or persistence mechanisms
  • Review system logs and network traffic for signs of unauthorized access or data exfiltration
  • Consider full system reimaging if the compromise is confirmed to be widespread

Sources

  1. GitHub Advisory GHSA-cpfg-m96g-j4j9 · GitHub Advisory Database

Cite this entry

"Malware in @contentprod-authoring/block-manager." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 29, 2026; last updated June 29, 2026. https://supplychainattack.org/incident/malware-in-contentprod-authoring-block-manager-ojrss1

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