CVE-2026-6223 PUBLISHED

OTP Bypass in Bahçelievler Muncipality's BiHayat App

Assigner: TR-CERT
Reserved: 13.04.2026 Published: 07.09.2026 Updated: 07.09.2026

Improper restriction of excessive authentication attempts vulnerability in Bahçelievler Muncipality BiHayat App allows Authentication Bypass.

This issue affects BiHayat App: from 2.1.7 through 07092026. 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:N/UI:N/S:U/C:H/I:H/A:L
CVSS Score: 9.4

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

CVSS 3.1

Product Status

Vendor	Bahçelievler Muncipality
Product	BiHayat App
Versions	Default: unknown affected from 2.1.7 to 07092026 (incl.)

Credits

Onur BİLİCİ finder
Ferit Özner finder

References

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

Problem Types

CWE-307 Improper restriction of excessive authentication attempts CWE

Impacts

CAPEC-115 Authentication Bypass