Malware in merchantprefsservice-paypal
Malware was discovered in the npm package merchantprefsservice-paypal. 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
- merchantprefsservice-paypal
A malicious package named merchantprefsservice-paypal was published to npm and contains malware. Any computer with this package installed or running should be considered fully compromised.\n\nThe malware grants outside entities full control of affected systems. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected computer.\n\nWhile 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 initial compromise. Full system remediation and security review is recommended.
Indicators of compromise
- Packages
- merchantprefsservice-paypal
Remediation
- Immediately remove the merchantprefsservice-paypal package from all systems
- Rotate all secrets, API keys, and credentials from a different, unaffected computer
- Conduct a full security audit of any system that had this package installed
- Review system logs and network activity for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the package was installed on production or sensitive systems
- Monitor for any indicators of compromise or persistence mechanisms left by the malware
Sources
- GitHub Advisory GHSA-w6fc-gq73-j24m · GitHub Advisory Database
Cite this entry
"Malware in merchantprefsservice-paypal." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malware-in-merchantprefsservice-paypal-1g9ia9
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