Malware in @nebula.js/test-utils
Malware discovered in the npm package @nebula.js/test-utils. 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/test-utils
A critical malware incident has been identified in the npm package @nebula.js/test-utils. According to the GitHub Security Advisory (GHSA-vfmh-xf35-6mj3), 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. All secrets and cryptographic keys stored on compromised computers should be rotated immediately from a different, unaffected system.\n\nWhile removal of the package is recommended, there is no guarantee that uninstalling it will eliminate all malicious software that may have been deployed during the compromise. Complete system remediation and security review is necessary.
Indicators of compromise
- Packages
- @nebula.js/test-utils
Remediation
- Immediately isolate any system with @nebula.js/test-utils installed from the network
- Rotate all secrets, API keys, and cryptographic credentials from a clean, unaffected computer
- Remove the @nebula.js/test-utils package from all affected systems
- Conduct a full forensic analysis and malware scan of compromised systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system rebuild or replacement if compromise is confirmed
Sources
- GitHub Advisory GHSA-vfmh-xf35-6mj3 · GitHub Advisory Database
Cite this entry
"Malware in @nebula.js/test-utils." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-nebula-js-test-utils-il315u
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