Malware in npmjs_ethers-common
Malware was discovered in the npm package ethers-common. Systems with this package installed are considered fully compromised and require immediate remediation including secret rotation and package removal.
- Disclosed
- Last updated
- Blast radius
- Any system with the malicious package installed
- Ecosystems
- Attack vectors
- Affected entities
- ethers-commonnpm package
A malicious version of the npm package ethers-common was published to npmjs. The package contained malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys from a different, unaffected computer.\n\nWhile removing the package is necessary, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the compromise. Full system remediation and security audit is recommended.
Indicators of compromise
- Packages
- ethers-common
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, unaffected computer
- Remove the ethers-common package from all affected systems
- Conduct a full security audit and malware scan of all systems that had the package installed
- Review system logs for unauthorized access or activity during the period the package was installed
- Consider full system reimaging if the compromise cannot be fully remediated
Sources
- GitHub Advisory GHSA-xjqh-ppr3-mrhj · GitHub Advisory Database
Cite this entry
"Malware in npmjs_ethers-common." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 10, 2026; last updated June 10, 2026. https://supplychainattack.org/incident/malware-in-npmjs-ethers-common-lij5di
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