Malware in @onereach/styles
The npm package @onereach/styles contains malware that grants full system compromise to an outside entity. 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
- @onereach/styles
The npm package @onereach/styles has been identified as containing malware. According to the GitHub Advisory (GHSA-8pw5-rhrc-pv3j), 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 containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- @onereach/styles
Remediation
- Immediately isolate any computer that has installed or run @onereach/styles from the network
- Rotate all secrets, API keys, credentials, and signing keys from a different, uncompromised computer
- Remove the @onereach/styles package from all systems
- Perform a full forensic analysis and malware scan on affected systems
- Consider the affected system as fully compromised and plan for complete rebuild or replacement
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-8pw5-rhrc-pv3j · GitHub Advisory Database
Cite this entry
"Malware in @onereach/styles." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-onereach-styles-cja74j
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- containedcritical
Malware in @servicetitan/table
Malware was discovered in the npm package @servicetitan/table. Systems with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a separate, unaffected computer.
npmCompromised package - containedcritical
Malware in @servicetitan/standalone-root
Malware was discovered in the npm package @servicetitan/standalone-root, resulting in full system compromise for any computer with the package installed or running. The advisory recommends immediate removal of the package and rotation of all secrets and keys from a different computer.
npmCompromised package - containedcritical
Malware in @servicetitan/anvil2-mcp
Malware was discovered in the npm package @servicetitan/anvil2-mcp. Any computer with this package installed or running should be considered fully compromised. All secrets and keys must be rotated immediately from a different computer.
npmCompromised package - containedcritical
Malware in @servicetitan/docs-uikit
Malware was discovered in the npm package @servicetitan/docs-uikit. Any computer with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a different system.
npmCompromised package