CVE-2023-39107: Nomachine

Critical severity, CVSS 9.1. EPSS: 1.2% chance of exploitation in the next 30 days.

An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client for macOS before v8.8.1 allows attackers to overwrite root-owned files by using hardlinks.

Affected products

  • Nomachine Nomachine: before 8.8.1 (fixed in 8.8.1)

Published 2023-08-04. Last modified 2026-06-17.