CVE-2026-74859
Medium · 6.8CVSS
6.8
EPSS
0.2%
Published
Sep 8, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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