Malware in @joyfill/layouts
Malware was discovered in the npm package @joyfill/layouts. Systems with this package installed or running should be considered fully compromised, with all secrets and keys requiring immediate rotation from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @joyfill/layouts
The npm package @joyfill/layouts was found to contain malware. According to the GitHub Security Advisory (GHSA-887f-rwr9-wp54), any computer that has 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 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, as the attacker may have gained full control of the system.\n\nThis is a critical supply chain incident affecting the npm ecosystem.
Indicators of compromise
- Packages
- @joyfill/layouts
Remediation
- Immediately rotate all secrets and keys from a different, uncompromised computer
- Remove the @joyfill/layouts package from all affected systems
- Audit system logs and file integrity for signs of additional compromise
- Consider full system reimaging if full control by an external entity cannot be ruled out
- Check for any other suspicious packages or modifications on affected systems
Sources
- GitHub Advisory GHSA-887f-rwr9-wp54 · GitHub Advisory Database
Cite this entry
"Malware in @joyfill/layouts." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 28, 2026; last updated July 28, 2026. https://supplychainattack.org/incident/malware-in-joyfill-layouts-rb1uhu
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