Malware in layerd-unit-codec-parser
Malware discovered in the npm package layerd-unit-codec-parser. 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
- layerd-unit-codec-parser
A malware incident has been identified in the npm package layerd-unit-codec-parser. According to the GitHub Advisory (GHSA-3h97-jj75-q7j4), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory indicates that all secrets and keys stored on affected computers should 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 package installation, suggesting potential for persistent compromise.\n\nThis represents a critical supply chain attack through a compromised npm package with full system compromise potential.
Indicators of compromise
- Packages
- layerd-unit-codec-parser
Remediation
- Immediately isolate any system with layerd-unit-codec-parser installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the layerd-unit-codec-parser package from all systems
- Perform a full security audit and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if compromise is suspected
- Audit npm dependencies for other potentially malicious packages
Sources
- GitHub Advisory GHSA-3h97-jj75-q7j4 · GitHub Advisory Database
Cite this entry
"Malware in layerd-unit-codec-parser." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 20, 2026; last updated August 20, 2026. https://supplychainattack.org/incident/malware-in-layerd-unit-codec-parser-koxsa4
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