Malware in type-swap
The npm package type-swap contains malware that grants full system compromise to attackers. Any computer with this package installed or running should be considered fully compromised and all secrets and keys rotated immediately from a different machine.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- type-swap
The npm package type-swap has been identified as containing malware. According to the GitHub Advisory (GHSA-w8hw-4vch-mrj4), any computer that has 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 computer. 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, as the attacker may have gained full control of the system.\n\nUsers should treat any system that has run this package as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- type-swap
Remediation
- Immediately isolate any computer that has installed or run type-swap from the network
- Rotate all secrets, API keys, credentials, and cryptographic keys from a different, uncompromised computer
- Remove the type-swap package from all systems
- Perform a full forensic analysis and malware scan on affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the compromise is confirmed
- Audit all systems that may have been accessed from compromised machines
Sources
- GitHub Advisory GHSA-w8hw-4vch-mrj4 · GitHub Advisory Database
Cite this entry
"Malware in type-swap." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 13, 2026; last updated July 13, 2026. https://supplychainattack.org/incident/malware-in-type-swap-g7m5a7
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