CVE-2026-4104
Deferred Deferred - Pending Action
Authorization Bypass via SQL Injection in TeknoPass

Publication date: 2026-06-04

Last updated on: 2026-06-04

Assigner: Computer Emergency Response Team of the Republic of Turkey

Description
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.
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Meta Information
Published
2026-06-04
Last Modified
2026-06-04
Generated
2026-06-24
AI Q&A
2026-06-04
EPSS Evaluated
2026-06-23
NVD
CVE-2026-4104
EUVD
EUVD-2026-34243
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
akmer_informatics_automation_industry_and_trade_ltd_co teknopass From 20210501 (inc) to 20260429 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
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Executive Summary

This vulnerability is an authorization bypass caused by a user-controlled SQL primary key in the TeknoPass software by Akmer Informatics Automation Industry and Trade Ltd. Co. It allows an attacker to perform SQL Injection attacks.

Impact Analysis

Exploitation of this vulnerability can lead to severe impacts including unauthorized access to data, data modification, and disruption of service. The CVSS score of 9.8 indicates a critical severity with high impact on confidentiality, integrity, and availability.

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