CVE-2026-74859 MEDIUM

CVE-2026-74859: Gnome-tweaks: path traversal in theme installer

Vendor Red Hat
Product Red Hat Enterprise Linux 8
Weakness CWE-22 · Path traversal
Published September 8, 2026
Last update September 9, 2026
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 9, 2026 Record updated

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