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Malware in @sw-commons-components/message-upsell

Malware discovered in the npm package @sw-commons-components/message-upsell. 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
  • @sw-commons-components/message-upsell

A malware-containing version of the npm package @sw-commons-components/message-upsell was identified and published to the npm registry. The package 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 exfiltrated secrets, keys, and other sensitive data from the system.\n\nImmediate action is required: all secrets and keys stored on affected computers should be rotated from a different, uncompromised system. While the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise.

Indicators of compromise

Packages
  • @sw-commons-components/message-upsell

Remediation

  • Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
  • Remove the @sw-commons-components/message-upsell package from all affected systems
  • Conduct a full security audit and forensic analysis of any system that had this package installed
  • Review system logs and network traffic for signs of unauthorized access or data exfiltration
  • Consider rebuilding affected systems from clean media if full compromise is suspected

Sources

  1. GitHub Advisory GHSA-8w99-rvcw-j7cf · GitHub Advisory Database

Cite this entry

"Malware in @sw-commons-components/message-upsell." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 31, 2026; last updated August 1, 2026. https://supplychainattack.org/incident/malware-in-sw-commons-components-message-upsell-1q7z2t

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