Malware in lychee-norm-cache
Malware discovered in the npm package lychee-norm-cache. 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
- lychee-norm-cache
The npm package lychee-norm-cache has been identified as containing malware. According to the GitHub advisory, any computer with 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 compromise.\n\nThis represents a critical supply chain attack through a compromised package in the npm ecosystem.
Indicators of compromise
- Packages
- lychee-norm-cache
Remediation
- Immediately isolate any system with lychee-norm-cache installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the lychee-norm-cache package from all systems
- Perform a full security audit and malware scan on affected systems
- Review system logs and access patterns for signs of unauthorized activity
- Consider full system reimaging if compromise is suspected to be extensive
Sources
- GitHub Advisory GHSA-pj38-6jj4-4x3p · GitHub Advisory Database
Cite this entry
"Malware in lychee-norm-cache." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 23, 2026; last updated July 23, 2026. https://supplychainattack.org/incident/malware-in-lychee-norm-cache-1k5222
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