CVE-2017-16945: Haystacksoftware Arq

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

The standardrestorer binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted restore path.

Affected products

• Haystacksoftware Arq: up to and including 5.10

Published 2018-01-31. Last modified 2026-06-17.