What is GHSA-39p2-wfx9-r3hc?

GHSA-39p2-wfx9-r3hc is a security advisory published by GitHub Security Advisories with Medium severity. The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating...

Which CVE IDs does GHSA-39p2-wfx9-r3hc cover?

GHSA-39p2-wfx9-r3hc covers the following CVE IDs: CVE-2026-74859. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-39p2-wfx9-r3hc?

GHSA-39p2-wfx9-r3hc has a CVSS v3 base score of 6.8, published by GitHub Security Advisories.

GHSA-39p2-wfx9-r3hcMediumCVSS 6.8

The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-74859 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-74859
https://access.redhat.com/security/cve/CVE-2026-74859
https://bugzilla.redhat.com/show_bug.cgi?id=2529702
https://github.com/advisories/GHSA-39p2-wfx9-r3hc