Malware in @web3-util/common
Malware was distributed via the npm package @web3-util/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 @web3-util/common installed; full system compromise possible
- Ecosystems
- Attack vectors
- Affected entities
- @web3-util/common
A malicious version of the npm package @web3-util/common was published and distributed to users. The package contained malware capable of providing full system compromise to an attacker.\n\nAny computer that installed or ran this package 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 review is required.\n\nThis incident was disclosed via GitHub Advisory GHSA-wvx6-fwf2-hpp5.
Indicators of compromise
- Packages
- @web3-util/common
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, unaffected computer
- Remove the @web3-util/common package from all affected systems
- Perform a full security audit and malware scan on any system that had this package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) compromised and plan for full rebuild if critical infrastructure
- Monitor for any unauthorized activity on accounts or services that may have been accessed
Sources
- GitHub Advisory GHSA-wvx6-fwf2-hpp5 · GitHub Advisory Database
Cite this entry
"Malware in @web3-util/common." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 30, 2026; last updated July 30, 2026. https://supplychainattack.org/incident/malware-in-web3-util-common-ksz85w
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