The vulnerability CVE-2026-27992 in ThemeREX Meals & Wheels (versions up to 1.1.12) is caused by improper control of the filename parameter in PHP include/require statements. This leads to a Local File Inclusion vulnerability, allowing an attacker to include files on the server that should not be accessible. The CVSS v3.1 base score is 8.1, indicating high severity, with attack vector as network, high attack complexity, no privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. No patch or vendor advisory is currently available, and no known exploits have been reported.

Successful exploitation of this vulnerability could allow an attacker to read sensitive files, execute arbitrary code, or cause denial of service by including malicious or unintended files on the server. The CVSS score of 8.1 reflects high impact on confidentiality, integrity, and availability. However, exploitation requires high attack complexity and no privileges or user interaction are needed.

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 endpoints and applying any available workarounds from the vendor. Monitor official ThemeREX channels for updates or patches addressing this vulnerability.