Malware in @bscom/styling
The npm package @bscom/styling contains malware that grants full control of affected systems. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @bscom/styling
The npm package @bscom/styling has been identified as containing malware. According to the GitHub Advisory (GHSA-29c6-c7cm-r8ch), 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 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 initial compromise, given that the outside entity may have gained full control of the system.\n\nUsers should treat any system that has run this package as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- @bscom/styling
Remediation
- Immediately isolate any computer that has installed or run @bscom/styling from the network
- Rotate all secrets, API keys, credentials, and signing keys from a different, uncompromised computer
- Remove the @bscom/styling package from all systems
- Conduct a full forensic investigation of affected systems to identify any additional malicious software or persistence mechanisms
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the compromise is confirmed
Sources
- GitHub Advisory GHSA-29c6-c7cm-r8ch · GitHub Advisory Database
Cite this entry
"Malware in @bscom/styling." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 29, 2026; last updated June 29, 2026. https://supplychainattack.org/incident/malware-in-bscom-styling-1720a6
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