Bug 2529702 (CVE-2026-74859) - CVE-2026-74859 gnome-tweaks: path traversal in theme installer
Summary: CVE-2026-74859 gnome-tweaks: path traversal in theme installer
Keywords:
Status: NEW
Alias: CVE-2026-74859
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2529707 2529708
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-08 07:43 UTC by OSIDB Bzimport
Modified: 2026-09-08 07:59 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-09-08 07:43:17 UTC 
Summary: Path traversal in theme installer
Requirements to exploit: user installs malicious gnome-shell theme
Component affected: ShellThemeInstallerTweak
Version affected: All versions
Patch available: Yes
Version fixed (if any already): Not yet
Upstream coordination: See issue report (below)
CVSS (optional):
Impact (optional):
Embargo: No
Acknowledgment: Zach Sylvester
Steps to reproduce if available: see issue report
Mitigation if available: do not use gnome-tweaks to install gnome-shell themes
Original report: https://gitlab.gnome.org/GNOME/gnome-tweaks/-/issues/542
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