Malware in lwp-web-client
The npm package lwp-web-client was found to contain malware, resulting in full system compromise of any computer with the package installed or running. All secrets and keys should be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with lwp-web-client installed or running
- Ecosystems
- Attack vectors
- Affected entities
- lwp-web-clientnpm package containing malware
The npm package lwp-web-client was identified as containing malware. According to the GitHub Advisory (GHSA-rmm2-5g7m-wj7p), 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, unaffected computer. 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 package installation, given the potential for full system compromise.\n\nAffected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- lwp-web-client
Remediation
- Immediately rotate all secrets and keys from a different, unaffected computer
- Remove the lwp-web-client package from all affected systems
- Conduct a full security audit and forensic analysis of any system that had lwp-web-client installed
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical systems are involved
- Review logs and monitor for any unauthorized access or lateral movement from affected systems
Sources
- GitHub Advisory GHSA-rmm2-5g7m-wj7p · GitHub Advisory Database
Cite this entry
"Malware in lwp-web-client." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 29, 2026; last updated July 29, 2026. https://supplychainattack.org/incident/malware-in-lwp-web-client-1a35b2
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