The vulnerability CVE-2026-28015 in ThemeREX ShiftCV (<= 3.0.14) arises from improper validation of filenames used in PHP include or require statements, enabling PHP Local File Inclusion. This flaw allows an attacker to manipulate the file path, potentially causing the application to include arbitrary files from the server. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, high impact on confidentiality, integrity, and availability, and no privileges or user interaction required.

Successful exploitation can lead to local file inclusion, which may allow attackers to read sensitive files, execute arbitrary code, or cause denial of service. The vulnerability impacts confidentiality, integrity, and availability of the affected system. No known exploits in the wild have been reported yet.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor ThemeREX communications for updates. Until a fix is available, consider restricting access to vulnerable endpoints and applying web application firewall rules to detect and block suspicious include/require requests.