CVE-2026-74859

Published: Sep 8, 2026Modified: Sep 8, 2026

6.8

Vector

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

Exploitability: 1.3 / Impact: 5.5

Source: secalert@redhat.com

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.

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://access.redhat.com/security/cve/CVE-2026-74859

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2529702

Source: secalert@redhat.com

Timeline

No history available yet.