Malware in ether-bn.js
Malware discovered in the ether-bn.js npm package. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with ether-bn.js installed or running
- Ecosystems
- Attack vectors
- Affected entities
- ether-bn.jsnpm package
The ether-bn.js npm package has been identified as containing malware. According to the GitHub advisory (GHSA-v3j8-x82x-chvr), 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 package compromise.\n\nThis is a critical supply chain incident affecting the npm ecosystem, with potentially widespread impact on any project or system that has installed this package.
Indicators of compromise
- Packages
- ether-bn.js
Remediation
- Immediately isolate any system with ether-bn.js installed from the network
- Rotate all secrets, API keys, and cryptographic keys from a different, uncompromised computer
- Remove the ether-bn.js package from all systems
- Perform a full security audit and malware scan on affected systems
- Review all access logs and activity on affected systems for signs of unauthorized access
- Consider the system fully compromised and plan for complete rebuild if critical infrastructure
- Notify all users and stakeholders who may have been affected by the compromise
Sources
- GitHub Advisory GHSA-v3j8-x82x-chvr · GitHub Advisory Database
Cite this entry
"Malware in ether-bn.js." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 6, 2026; last updated July 6, 2026. https://supplychainattack.org/incident/malware-in-ether-bn-js-m6s6tp
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