CVE-2026-6223Network attack vector

Unauthenticated OTP bypass via inadequate attempt limiting

Published Sep 7, 2026 · Updated Sep 8, 2026

Improper restriction of excessive authentication attempts in BiHayat 2.1.7 through 07092026 allows remote attackers to bypass OTP authentication. The OTP authentication flow permits excessive verification attempts, but the public record does not identify the endpoint, request field, or attempt limit. The network flaw requires no prior authentication or user interaction, while the record does not identify which account functions or data become accessible.

CVSS severity9.4
Critical
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper restriction of excessive authentication attempts in BiHayat 2.1.7 through 07092026 allows remote attackers to bypass OTP authentication. The OTP authentication flow permits excessive verification attempts, but the public record does not identify the endpoint, request field, or attempt limit. The network flaw requires no prior authentication or user interaction, while the record does not identify which account functions or data become accessible.

The record

CVE
CVE-2026-6223
Published
Sep 7, 2026
Updated
Sep 8, 2026
Vendor
Bahçelievler Belediyesi
Product
BiHayat
Classifications
CWE-307, CAPEC-115, T1110
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.1.7 <=07092026

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Bahçelievler Belediyesi · BiHayatversion=2.1.7 <=07092026

Published CVSS scores

9.4TR-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-307Improper Restriction of Excessive Authentication Attempts
CAPEC-115Authentication Bypass
T1110Brute Force

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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