Malware in @flex-ng/header-component
Malware discovered in the npm package @flex-ng/header-component. 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
- @flex-ng/header-component
A malware incident has been identified in the npm package @flex-ng/header-component. According to the GitHub Advisory (GHSA-4xgj-9m4q-8g8v), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory indicates that the malicious package may have granted outside entities full control of affected systems. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected system.\n\nWhile removal of the package is recommended, there is no guarantee that uninstalling it will remove all malicious software that may have been installed as a result of the compromise. A comprehensive security review and potential system rebuild may be necessary for affected systems.
Indicators of compromise
- Packages
- @flex-ng/header-component
Remediation
- Immediately remove @flex-ng/header-component from all systems
- Rotate all secrets, API keys, and credentials from a clean, unaffected computer
- Conduct a full security audit of any system that had this package installed
- Consider rebuilding affected systems from clean media if full compromise is suspected
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Monitor for any unauthorized access to rotated credentials
Sources
- GitHub Advisory GHSA-4xgj-9m4q-8g8v · GitHub Advisory Database
Cite this entry
"Malware in @flex-ng/header-component." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 14, 2026; last updated July 14, 2026. https://supplychainattack.org/incident/malware-in-flex-ng-header-component-1gsasi
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