Malware in new-ts-helper
The npm package new-ts-helper contained malware that could fully compromise any system where it was installed or executed. The advisory recommends treating affected systems as fully compromised and rotating all secrets and keys from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- new-ts-helper
The npm package new-ts-helper was found to contain malware. According to the GitHub Security Advisory (GHSA-g793-594c-6gxf), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends immediate action: all secrets and keys stored on affected computers should be rotated 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 compromise affecting the npm ecosystem.
Indicators of compromise
- Packages
- new-ts-helper
Remediation
- Immediately remove the new-ts-helper package from all systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a different, uncompromised computer
- Assume full system compromise and conduct forensic analysis
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider rebuilding affected systems from clean media if possible
- Audit any systems that may have been accessed using credentials stored on compromised machines
Sources
- GitHub Advisory GHSA-g793-594c-6gxf · GitHub Advisory Database
Cite this entry
"Malware in new-ts-helper." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 23, 2026; last updated June 23, 2026. https://supplychainattack.org/incident/malware-in-new-ts-helper-l76f4t
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