Medium severity6.8NVD Advisory· Published Sep 8, 2026

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

GNOME Foundation/gnome-tweaksllm-create

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-74859nvd
bugzilla.redhat.com/show_bug.cginvd

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cvss	0.442
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000