Malware in zer0code
The npm package zer0code was found to contain malware that grants full system compromise to attackers. Any system with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- zer0code
The npm package zer0code was identified as containing malware. According to the GitHub Advisory (GHSA-frrq-7m67-mgxg), any computer that has 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 system. While the 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 this package as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- zer0code
Remediation
- Immediately remove the zer0code package from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Assume full system compromise and perform forensic analysis or rebuild affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Monitor for any persistence mechanisms or additional malware that may have been installed
Sources
- GitHub Advisory GHSA-frrq-7m67-mgxg · GitHub Advisory Database
Cite this entry
"Malware in zer0code." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 29, 2026; last updated July 29, 2026. https://supplychainattack.org/incident/malware-in-zer0code-1282xo
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