Malware in workbench-browser-server
Malware was discovered in the npm package workbench-browser-server. Systems with this package installed or running are 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
- workbench-browser-server
The npm package workbench-browser-server contains malware. According to the GitHub Advisory (GHSA-63m5-c696-rwrc), 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 initial compromise.\n\nThis is a critical supply chain incident affecting the npm ecosystem, with potential for widespread impact on any systems that have installed or executed this package.
Indicators of compromise
- Packages
- workbench-browser-server
Remediation
- Immediately isolate any computer that has installed or run workbench-browser-server from the network
- Rotate all secrets, API keys, credentials, and cryptographic keys from a different, uncompromised computer
- Remove the workbench-browser-server package from all affected systems
- Conduct a full forensic analysis of affected systems to identify any additional malicious software or persistence mechanisms
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the compromise is suspected to be deep or persistent
Sources
- GitHub Advisory GHSA-63m5-c696-rwrc · GitHub Advisory Database
Cite this entry
"Malware in workbench-browser-server." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-workbench-browser-server-fvudbm
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