CVE-2026-74859

—

CVSS 3.1

6.8 medium

EPSS

<1%p3

Published

Sep 8, 2026 (7d ago)

Modified

Sep 9, 2026

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.

Weakness: CWE-22
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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