Path Traversal Vulnerability in GNOME Tweaks Theme Installer for Red Hat Products
CVE-2026-74859

6.8MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Vendor
CVE Published:
8 September 2026

What is CVE-2026-74859?

The GNOME Tweaks theme installer has a vulnerability where it extracts user-supplied ZIP archives without proper validation of archive member paths. This flaw enables an attacker to craft a malicious theme archive that can exploit this weakness. By leveraging techniques such as path traversal, absolute paths, or symlink entries, the attacker can write files outside the designated ~/.themes directory, potentially compromising the security of the user's system.

References

https://access.redhat.com/security/cve/CVE-2026-74859
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2529702
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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