Malware in @nebula.js/cli-build
Malware discovered in the npm package @nebula.js/cli-build. 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
- @nebula.js/cli-build
A critical malware incident was identified in the npm package @nebula.js/cli-build. According to the GitHub Security Advisory (GHSA-2vj8-6266-q3m5), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory indicates that the malicious package grants full control of affected systems to an outside entity. Removal of the package alone may not eliminate all malicious software that was installed as a result of the compromise.\n\nImmediate action is required for all users of this package to rotate all secrets and keys from a separate, uncompromised system.
Indicators of compromise
- Packages
- @nebula.js/cli-build
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the @nebula.js/cli-build package from all affected systems
- Perform a full security audit and malware scan of any system that had this package installed
- Review system logs and access logs for any unauthorized activity during the period the package was installed
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical infrastructure
Sources
- GitHub Advisory GHSA-2vj8-6266-q3m5 · GitHub Advisory Database
Cite this entry
"Malware in @nebula.js/cli-build." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-nebula-js-cli-build-x4vhjb
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