Malware in picasso.js
Malware discovered in the npm package picasso.js. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- picasso.js
A critical malware incident was identified in the npm package picasso.js. According to the GitHub Advisory (GHSA-6jmc-6w7f-v47v), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends immediate action: all secrets and keys stored on affected computers should be rotated from a different, uncompromised system. While the malicious 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 compromise, as the attacker may have gained full control of the system.\n\nThis represents a severe supply chain attack with potential for widespread impact across any development or production environment using this package.
Indicators of compromise
- Packages
- picasso.js
Remediation
- Immediately isolate any system with picasso.js installed from the network
- Rotate all secrets, API keys, and credentials from a clean, uncompromised system
- Remove the picasso.js package from all affected systems
- Conduct a full forensic analysis of affected systems to identify any additional malicious software
- Review all code changes and deployments made while the compromised package was in use
- Audit access logs and monitor for unauthorized activity on systems that had the package installed
- Consider the system fully compromised and plan for complete rebuild if used in production or with sensitive data
Sources
- GitHub Advisory GHSA-6jmc-6w7f-v47v · GitHub Advisory Database
Cite this entry
"Malware in picasso.js." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-picasso-js-va8c8u
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