---
id: CVE-2026-12384
title: >-
  Authorization bypass through User-Controlled key vulnerability in TECHIN2B
  TECHIN2B Application allows Privilege Abuse.


  This issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.

  NOTE: The vendor was contacted early ab…
summary: >-
  Authorization bypass through User-Controlled key vulnerability in TECHIN2B
  TECHIN2B Application allows Privilege Abuse.


  This issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.

  NOTE: The vendor was contacted early ab…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-639
vendor: TECHIN2B
product: TECHIN2B Application
affected:
  - application >= V1.0.7676.13 <= 18092026
published: '2026-09-18'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T20:17:04.707'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12384'
references:
  - url: 'https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1014'
    label: iletisim@usom.gov.tr
tags:
  - nvd
  - cve.org
epss: 0.00309
epssPercentile: 0.21055
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-18T19:15:48.813903Z'
ingestedAt: '2026-09-18T08:38:04.097Z'
---

## Overview

Authorization bypass through User-Controlled key vulnerability in TECHIN2B TECHIN2B Application allows Privilege Abuse.

This issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.