The vulnerability CVE-2026-28085 affects the ThemeREX Mahogany WordPress theme (versions up to 2.9) and is caused by improper validation or control of filenames used in PHP include or require statements. This allows an attacker to perform Local File Inclusion (LFI), which can lead to arbitrary code execution or disclosure of sensitive files. The CVSS v3.1 base score is 8.1, indicating high severity, with network attack vector, high attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability. No patch or fix information is currently provided.

Successful exploitation of this vulnerability could allow an unauthenticated attacker to include local files on the server, potentially leading to arbitrary code execution, data disclosure, and full system compromise. The impact affects confidentiality, integrity, and availability of the affected system. No known exploits in the wild have been reported so far.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or removing the affected ThemeREX Mahogany theme versions or applying manual code review and hardening to prevent inclusion of untrusted files. Monitor vendor channels for updates and patches.