Malware in web3-eth-util
Malware was discovered in the npm package web3-eth-util. Systems with the 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
- web3-eth-utilnpm package containing malware
A critical malware incident was identified in the npm package web3-eth-util. According to the GitHub Advisory (GHSA-g69q-p7f8-4jp3), 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, the advisory notes that full control of the computer may have been given to an outside entity, meaning removal of the package alone may not eliminate all malicious software that resulted from the installation.\n\nThis represents a severe supply chain compromise affecting npm users who installed the affected package.
Indicators of compromise
- Packages
- web3-eth-util
Remediation
- Immediately rotate all secrets and keys stored on affected computers from a different, uncompromised system
- Remove the web3-eth-util package from all affected systems
- Conduct a full security audit of any system that had the package installed
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
- Review and revoke any credentials or API keys that may have been exposed
Sources
- GitHub Advisory GHSA-g69q-p7f8-4jp3 · GitHub Advisory Database
Cite this entry
"Malware in web3-eth-util." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 14, 2026; last updated July 15, 2026. https://supplychainattack.org/incident/malware-in-web3-eth-util-1n2eb7
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