Malware in express-enrouten-async
Malware was discovered in the npm package express-enrouten-async. Systems with this package installed or running should be 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
- express-enrouten-async
The npm package express-enrouten-async was found to contain malware. According to the GitHub Advisory (GHSA-25jv-xr7c-mx67), 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 npm package with potential for complete system compromise.
Indicators of compromise
- Packages
- express-enrouten-async
Remediation
- Immediately isolate any system with express-enrouten-async installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the express-enrouten-async package from all affected systems
- Perform a full security audit and malware scan of affected systems
- Review system logs and access logs for signs of unauthorized activity during the period the package was installed
- Consider full system reimaging if the package was installed on production or sensitive systems
Sources
- GitHub Advisory GHSA-25jv-xr7c-mx67 · GitHub Advisory Database
Cite this entry
"Malware in express-enrouten-async." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 19, 2026; last updated August 19, 2026. https://supplychainattack.org/incident/malware-in-express-enrouten-async-1bhpll
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