Malware in simple-date-formatter-util-1
Malware discovered in the npm package simple-date-formatter-util-1. 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
- simple-date-formatter-util-1
The npm package simple-date-formatter-util-1 has been identified as containing malware. According to the GitHub Advisory (GHSA-mmc7-8pmj-h3xj), any computer with 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 package installation, given the potential for full system compromise.\n\nAffected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- simple-date-formatter-util-1
Remediation
- Immediately isolate affected systems from the network
- Rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the simple-date-formatter-util-1 package
- Conduct a full forensic investigation of affected systems
- Assume full system compromise and consider reimaging affected machines
- Review system logs and audit trails for signs of unauthorized access or data exfiltration
Sources
- GitHub Advisory GHSA-mmc7-8pmj-h3xj · GitHub Advisory Database
Cite this entry
"Malware in simple-date-formatter-util-1." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 2, 2026; last updated August 2, 2026. https://supplychainattack.org/incident/malware-in-simple-date-formatter-util-1-qh8loj
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