This vulnerability (CVE-2026-27419) affects Zozothemes Zegen software versions up to 1.1.9, allowing authenticated subscribers to upload files of dangerous types without proper validation or restriction. This arbitrary file upload flaw can be exploited remotely over the network with low attack complexity and no user interaction required. The vulnerability impacts confidentiality, integrity, and availability, scoring 9.9 on the CVSS 3.1 scale, indicating critical severity. No vendor advisory or patch information is available at this time, and no known exploits are reported in the wild.

Successful exploitation of this vulnerability can lead to full system compromise, including unauthorized disclosure of sensitive information, modification or deletion of data, and disruption of service. The attacker can upload malicious files that may execute arbitrary code or facilitate further attacks within the affected environment.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict subscriber file upload permissions where possible and monitor for suspicious file uploads. Avoid exposing the upload functionality to untrusted users and consider implementing additional file validation controls as a temporary mitigation.