The vulnerability CVE-2026-57795 affects themelexus Kitchor versions up to 1.4.3 and is caused by improper validation of filenames in PHP include/require statements. This allows an attacker with low privileges and no user interaction to perform Local File Inclusion, potentially leading to complete compromise of the affected system. The CVSS 3.1 base score is 7.5, reflecting network attack vector, high impact on confidentiality, integrity, and availability, but requiring high attack complexity and low privileges.

Successful exploitation of this vulnerability can lead to disclosure of sensitive files, modification of application behavior, and denial of service, impacting confidentiality, integrity, and availability of the affected system. The attacker can include arbitrary local files, which may lead to code execution or information disclosure depending on the server configuration and file contents.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider restricting access to vulnerable installations, disabling vulnerable features if possible, and applying web application firewalls or other controls to limit exploitation opportunities.