Malware in vscode-test-web
Malware discovered in the npm package vscode-test-web. The package grants full system compromise to attackers, requiring immediate removal and credential rotation from a clean system.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- vscode-test-web
A critical malware incident was identified in the npm package vscode-test-web. According to the GitHub Advisory (GHSA-vxwh-gqjr-fxcw), any system 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 critical supply chain attack through a compromised npm package with severe impact on system integrity and security posture.
Indicators of compromise
- Packages
- vscode-test-web
Remediation
- Immediately remove the vscode-test-web package from all affected systems
- Rotate all secrets, API keys, and credentials from a clean, uncompromised computer
- Perform a full security audit and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical systems are involved
- Monitor for any indicators of compromise or persistence mechanisms left by the malware
Sources
- GitHub Advisory GHSA-vxwh-gqjr-fxcw · GitHub Advisory Database
Cite this entry
"Malware in vscode-test-web." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 24, 2026; last updated June 24, 2026. https://supplychainattack.org/incident/malware-in-vscode-test-web-1fb05e
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