The vulnerability identified as CVE-2026-1618 (CWE-288) affects Universal Software Inc.'s FlexCity/Kiosk product versions 1.0 through before 1.0.36. It allows an attacker with some level of privileges to bypass authentication mechanisms by using an alternate path or channel, resulting in privilege escalation. The CVSS v3.1 base score is 8.8, reflecting network attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vulnerability is published and assigned by TR-CERT. No patch or official remediation details are currently available.

Successful exploitation of this vulnerability could allow an attacker to escalate privileges by bypassing authentication controls, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. This could enable unauthorized access to sensitive functions or data within the FlexCity/Kiosk product.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected FlexCity/Kiosk versions and monitor for unusual activity related to authentication bypass attempts. Avoid deploying affected versions in sensitive environments where possible.