Malware in rollup-packages-node-polyfills
Malware discovered in the npm package rollup-packages-node-polyfills. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- rollup-packages-node-polyfills
A malicious package named rollup-packages-node-polyfills was published to npm and contains malware. Any computer that has installed or executed this package should be considered fully compromised, with potential for complete system takeover by an external entity.\n\nThe advisory indicates that all secrets, keys, and credentials stored on affected systems should be rotated immediately from a different, uncompromised computer. While the malicious package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise.\n\nThis is a critical supply chain attack affecting npm users who installed this package.
Indicators of compromise
- Packages
- rollup-packages-node-polyfills
Remediation
- Immediately remove the rollup-packages-node-polyfills package from all systems
- Rotate all secrets, keys, and credentials from a different, uncompromised computer
- Perform a full security audit and malware scan of affected systems
- Review system logs for unauthorized access or activity
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical infrastructure
Sources
- GitHub Advisory GHSA-gp6f-mxh4-x3mh · GitHub Advisory Database
Cite this entry
"Malware in rollup-packages-node-polyfills." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 21, 2026; last updated August 21, 2026. https://supplychainattack.org/incident/malware-in-rollup-packages-node-polyfills-sw0fnj
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