Malware in type-atob
Malware was discovered in the npm package type-atob. Systems with this package installed or running should be 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
- type-atob
The npm package type-atob was found to contain malware. According to the GitHub Advisory (GHSA-w8g3-2xjv-6vf6), any computer with this package installed or running should be considered fully compromised.\n\nImmediate action is required: all secrets and keys stored on affected computers should be rotated 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 compromise.\n\nThe advisory was published on 2026-07-10 via the GitHub Advisory Database.
Indicators of compromise
- Packages
- type-atob
Remediation
- Immediately remove the type-atob package from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a full security audit and malware scan of affected systems
- Review system logs for unauthorized access or activity during the period the package was installed
- Consider the affected system(s) potentially fully compromised and plan for complete rebuild if critical infrastructure
Sources
- GitHub Advisory GHSA-w8g3-2xjv-6vf6 · GitHub Advisory Database
Cite this entry
"Malware in type-atob." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 10, 2026; last updated July 10, 2026. https://supplychainattack.org/incident/malware-in-type-atob-1nqjvg
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