Malware in emittery_styled
The npm package emittery_styled was found to contain malware, potentially giving attackers full control of affected systems. Any computer with this package installed 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
- emittery_stylednpm package containing malware
The npm package emittery_styled was identified as containing malware. According to the GitHub Advisory (GHSA-j6hp-9w2p-jwpw), 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, given that the attacker may have gained full control of the system.\n\nAffected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- emittery_styled
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the emittery_styled package from all affected systems
- Perform a full security audit and malware scan of any system that had this package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider rebuilding affected systems from clean media if full compromise is suspected
- Monitor for any suspicious activity on accounts or systems that may have been exposed
Sources
- GitHub Advisory GHSA-j6hp-9w2p-jwpw · GitHub Advisory Database
Cite this entry
"Malware in emittery_styled." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 11, 2026; last updated June 11, 2026. https://supplychainattack.org/incident/malware-in-emittery-styled-3so5ir
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