Malware in unsafe-malicious-package
Malware discovered in the npm package unsafe-malicious-package. 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
- unsafe-malicious-package
The npm package unsafe-malicious-package has been identified as containing malware. According to the GitHub Advisory (GHSA-4gj3-wx83-w2hr), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory warns that all secrets and keys stored on affected computers should 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 package's execution, as the attacker may have gained full control of the system.\n\nUsers should treat any system that has run this package as potentially compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- unsafe-malicious-package
Remediation
- Immediately remove the unsafe-malicious-package from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Assume full system compromise and perform forensic analysis
- Consider rebuilding affected systems from clean media
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Monitor for any lateral movement or persistence mechanisms installed by the malware
Sources
- GitHub Advisory GHSA-4gj3-wx83-w2hr · GitHub Advisory Database
Cite this entry
"Malware in unsafe-malicious-package." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 29, 2026; last updated June 29, 2026. https://supplychainattack.org/incident/malware-in-unsafe-malicious-package-1k86yr
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