CVE-2026-4104 PUBLISHED

SQLi in Akmer Informatics' TeknoPass

Assigner: TR-CERT
Reserved: 13.03.2026 Published: 04.06.2026 Updated: 04.06.2026

Authorization bypass through User-Controlled SQL primary key vulnerability in Akmer Informatics Automation Industry and Trade Ltd. Co. TeknoPass allows SQL Injection.

This issue affects TeknoPass: from 20210501 through 20260429.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Akmer Informatics Automation Industry and Trade Ltd. Co.
Product	TeknoPass
Versions	Default: unaffected affected from 20210501 to 20260429 (incl.)

Credits

Özkan ALTUNBAŞ finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0309

Problem Types

CWE-89 Improper neutralization of special elements used in an SQL command ('SQL injection') CWE

Impacts

CAPEC-66 SQL Injection