Malware in @cw-ui/micro-ui-loader
Malware was discovered in the npm package @cw-ui/micro-ui-loader. Any computer with this package installed or running should be considered fully compromised. All secrets and keys must be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @cw-ui/micro-ui-loader
A critical malware incident was identified in the npm package @cw-ui/micro-ui-loader. According to the GitHub Advisory (GHSA-fq95-jj7h-pj3w), any system that has installed or executed this package should be treated as fully compromised.\n\nThe advisory warns that all secrets and cryptographic keys stored on affected computers must be rotated immediately from a separate, uncompromised system. While the package should be removed, there is no guarantee that removal will eliminate all malicious artifacts, as the attacker may have gained full control of the compromised system.\n\nThe incident was disclosed on July 14, 2026 via the GitHub Advisory database.
Indicators of compromise
- Packages
- @cw-ui/micro-ui-loader
Remediation
- Immediately rotate all secrets, API keys, and cryptographic credentials from a separate, uncompromised computer
- Remove the @cw-ui/micro-ui-loader package from all affected systems
- Conduct a full forensic analysis of any system that had this package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical infrastructure
- Notify any downstream users or services that may have been affected by the compromise
Sources
- GitHub Advisory GHSA-fq95-jj7h-pj3w · GitHub Advisory Database
Cite this entry
"Malware in @cw-ui/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-cw-ui-micro-ui-loader-1odnjw
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