Malware in micro-ui-loader
The npm package micro-ui-loader contains malware that grants full system compromise to attackers. Any computer 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
- micro-ui-loader
The npm package micro-ui-loader has been identified as containing malware. According to the GitHub Advisory (GHSA-cc9r-4374-69qj), 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\nThis is a critical supply chain incident affecting the npm ecosystem.
Indicators of compromise
- Packages
- micro-ui-loader
Remediation
- Immediately isolate any computer with micro-ui-loader installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the micro-ui-loader package
- Perform a full security audit and malware scan of affected systems
- Consider the affected system fully compromised and plan for complete rebuild if critical infrastructure
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-cc9r-4374-69qj · GitHub Advisory Database
Cite this entry
"Malware in micro-ui-loader." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 14, 2026; last updated July 14, 2026. https://supplychainattack.org/incident/malware-in-micro-ui-loader-1dkv5e
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