Malware in simple-date-formatter-util-2
Malware was discovered in the npm package simple-date-formatter-util-2. 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-2
The npm package simple-date-formatter-util-2 was found to contain malware. According to the GitHub advisory, any computer with this package installed or running should be considered fully compromised.\n\nThe malware grants full control of affected systems to an outside entity. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected system.\n\nWhile the package should be removed, removal alone may not eliminate all malicious software that resulted from the installation, as the attacker may have established persistent access to the system.
Indicators of compromise
- Packages
- simple-date-formatter-util-2
Remediation
- Remove the simple-date-formatter-util-2 package immediately
- Rotate all secrets, API keys, and credentials stored on affected systems from a different, uncompromised computer
- Perform a full security audit and malware scan of any system that had this package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system compromised and plan for full remediation or replacement
Sources
- GitHub Advisory GHSA-q43f-5xj6-8v63 · GitHub Advisory Database
Cite this entry
"Malware in simple-date-formatter-util-2." 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-2-gekbk9
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