Malware in xnder-sdk
Malware was discovered in the npm package xnder-sdk, resulting in full system compromise for any installation. The package should be removed immediately and all secrets and keys rotated from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with xnder-sdk installed or running
- Ecosystems
- Attack vectors
- Affected entities
- xnder-sdk
The npm package xnder-sdk was found to contain malware. According to the GitHub Advisory (GHSA-5vr8-6v9x-3vxm), 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, unaffected 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 represents a critical supply chain attack through a compromised package in the npm ecosystem."
Indicators of compromise
- Packages
- xnder-sdk
Remediation
- Immediately remove the xnder-sdk package from all systems
- Rotate all secrets, API keys, and credentials from a different, unaffected computer
- Audit system logs for unauthorized access or activity during the period the package was installed
- Consider the affected system(s) as potentially fully compromised and plan for forensic analysis or reimaging
- Check for any other suspicious packages or modifications that may have been introduced
Sources
- GitHub Advisory GHSA-5vr8-6v9x-3vxm · GitHub Advisory Database
Cite this entry
"Malware in xnder-sdk." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 10, 2026; last updated June 10, 2026. https://supplychainattack.org/incident/malware-in-xnder-sdk-0fzq7b
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