Security Advisory

CVE-2026-74859

CVSS 6.8
MEDIUM

Vulnerability Description

The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.
Published Date 2026-09-08T09:18:20.960
Data Feed NIST National Vulnerability Database