CVE-2018-9859: Navercorp Whale

High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The path of Whale update service was unquoted in NAVER Whale before 1.0.40.7. This vulnerability can be used for persistent privilege escalation if it's available to create an executable file with System privilege by other vulnerable applications.

Affected products

• Navercorp Whale: before 1.0.40.7 (fixed in 1.0.40.7)

Published 2018-06-16. Last modified 2026-06-17.