CVE-2026-74859
Gnome-tweaks: path traversal in theme installer
- State
- Published
- Severity
- 6.8 Medium
- Published
- Sep 8, 2026
- Updated
- Sep 9, 2026
- Reserved
- Aug 17, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H | redhat |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat |
References
- https://access.redhat.com/security/cve/CVE-2026-74859vdb-entry
- RHBZ#2529702issue-tracking
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