CVE-2026-12384 PUBLISHED

Broken Access Control in TECHIN2B Application

Assigner: TR-CERT
Reserved: 16.06.2026 Published: 18.09.2026 Updated: 18.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

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

CVSS 3.1

Product Status

Vendor	TECHIN2B
Product	TECHIN2B Application
Versions	Default: unknown affected from V1.0.7676.13 to 18092026 (incl.)

Credits

Muhammet Emirhan SÜMER finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1014

Problem Types

CWE-639 Authorization bypass through User-Controlled key CWE

Impacts

CAPEC-122 Privilege Abuse