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.
Published: 2026-09-08
Score: 6.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Tue, 08 Sep 2026 09:15:00 +0000

Type Values Removed Values Added
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.
Title Gnome-tweaks: path traversal in theme installer
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-22
CPEs cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H'}

Subscriptions

Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-08T09:01:20.640Z

Reserved: 2026-08-17T09:57:05.862Z

Link: CVE-2026-74859

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-08T09:18:20.960

Modified: 2026-09-08T09:18:20.960

Link: CVE-2026-74859

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-22

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