Malware in xo-member-components
The npm package xo-member-components was found to contain malware, resulting in full system compromise of any computer with the package installed or running. All secrets and keys on affected systems should 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
- xo-member-components
The npm package xo-member-components has been identified as containing malware. According to the GitHub advisory, 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.\n\nThis is a critical supply chain incident affecting the npm ecosystem, with potential impact to all systems that have installed or are running this package."
Indicators of compromise
- Packages
- xo-member-components
Remediation
- Immediately rotate all secrets and keys from a different, uncompromised computer
- Remove the xo-member-components package from all affected systems
- Conduct a full security audit of any system that had this package installed
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
- Review logs and network traffic from affected systems for indicators of compromise
Sources
- GitHub Advisory GHSA-r5v8-7g3c-jp8w · GitHub Advisory Database
Cite this entry
"Malware in xo-member-components." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malware-in-xo-member-components-zhimj5
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