🚨 CVE-2026-74859
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.
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Redhat
CVE-2026-74859 - Red Hat Customer Portal
CVE Details App
September 8, 2026 47
