Medium (6.3). EPSS 0.8% chance of exploitation in the next 30 days.
xdg-desktop-portal-hyprland (aka an XDG Desktop Portal backend for Hyprland) before 1.3.3 allows OS command execution, e.g., because single quotes are not used when sending a list of app IDs and titles via the environment.
Severity
CVSS 3.1
6.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS
0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)