Malware in bigops-stylelint
Malware was discovered in the npm package bigops-stylelint. The package grants full control of affected systems to an outside entity and should be considered a complete system compromise.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- bigops-stylelint
The npm package bigops-stylelint was found to contain malware. According to the GitHub Advisory (GHSA-7ww4-xqcq-3qh5), any computer with 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 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 package installation, given that the attacker may have gained full control of the system.\n\nUsers should treat any system that has had this package installed as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- bigops-stylelint
Remediation
- Immediately remove the bigops-stylelint 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 any system that had the package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) as potentially compromised and plan for full rebuild if critical infrastructure
- Monitor for any suspicious activity on accounts or systems that may have been accessed from the compromised machine
Sources
- GitHub Advisory GHSA-7ww4-xqcq-3qh5 · GitHub Advisory Database
Cite this entry
"Malware in bigops-stylelint." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 5, 2026; last updated August 5, 2026. https://supplychainattack.org/incident/malware-in-bigops-stylelint-p744zs
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