Malware in firefly-utilities-helper
Malware was discovered in the npm package firefly-utilities-helper. 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
- firefly-utilities-helper
A malicious version of the npm package firefly-utilities-helper was identified and published to the npm registry. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys from a different, unaffected computer. While the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise.\n\nThis incident was disclosed via GitHub Advisory GHSA-rr4c-xp44-vvf4 on July 10, 2026.
Indicators of compromise
- Packages
- firefly-utilities-helper
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, unaffected computer
- Remove the firefly-utilities-helper package from all affected systems
- Perform a full security audit and malware scan of any system that had this package installed
- Review system logs and access logs for any unauthorized activity during the period the package was installed
- Consider full system reimaging if complete compromise is suspected
Sources
- GitHub Advisory GHSA-rr4c-xp44-vvf4 · GitHub Advisory Database
Cite this entry
"Malware in firefly-utilities-helper." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 10, 2026; last updated July 10, 2026. https://supplychainattack.org/incident/malware-in-firefly-utilities-helper-131u6j
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