This vulnerability (CVE-2026-4104) involves improper neutralization of special elements used in an SQL command (CWE-89) in the TeknoPass product by Akmer Informatics Automation Industry and Trade Ltd. Co. An attacker can exploit a user-controlled SQL primary key to perform SQL injection, resulting in authorization bypass. The affected versions span from 20210501 through 20260429. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction, leading to high confidentiality, integrity, and availability impacts. No vendor advisory or patch information is currently provided.

Successful exploitation of this vulnerability can lead to complete compromise of the affected system's confidentiality, integrity, and availability due to unauthorized access and manipulation of the database. Attackers can bypass authorization controls, potentially accessing or modifying sensitive data and disrupting service.

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 TeknoPass instances and monitor for suspicious activity related to SQL injection attempts. Avoid exposing the application to untrusted networks if possible.