The setpermissions function in the auto-updater in Arq before 5.9.7 for Mac allows local users to gain root privileges via a symlink attack on the updater binary itself.
Severity
CVSS 3.0
7.4 high
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)