Malware in nemo-jaws
Malware was discovered in the npm package nemo-jaws, resulting in full system compromise for any installation. All affected systems should be considered fully compromised and all secrets rotated from a clean machine.
- Disclosed
- Last updated
- Blast radius
- Any system with nemo-jaws installed or running
- Ecosystems
- Attack vectors
- Affected entities
- nemo-jaws
The npm package nemo-jaws was found to contain malware. According to the GitHub Advisory (GHSA-w22h-mv8v-hqhc), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised machine. 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, given that the attacker may have gained full control of the system.\n\nUsers should treat any system that has run nemo-jaws as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- nemo-jaws
Remediation
- Immediately remove the nemo-jaws package from all affected systems
- Rotate all secrets, API keys, and credentials from a clean, uncompromised machine
- Treat any system that installed or ran nemo-jaws as fully compromised and perform forensic analysis
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the package was installed on production or sensitive systems
Sources
- GitHub Advisory GHSA-w22h-mv8v-hqhc · GitHub Advisory Database
Cite this entry
"Malware in nemo-jaws." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malware-in-nemo-jaws-10btul
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