CVE-2026-15706Network attack vector

Authentication bypass via unauthenticated Management API functions

Published Aug 20, 2026 · Updated Aug 20, 2026

Authentication bypass in Baylan Smart Meter Management Application before 1.1.10.142 allows remote attackers to invoke Management API functions. The Management API fails to authenticate at least one critical function, but the affected endpoint and request format are not public. Network access is sufficient and no credentials or user interaction are required; the function's data and operational effects remain undisclosed.

CVSS severity9.8
Critical
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Baylan Smart Meter Management Application before 1.1.10.142 allows remote attackers to invoke Management API functions. The Management API fails to authenticate at least one critical function, but the affected endpoint and request format are not public. Network access is sufficient and no credentials or user interaction are required; the function's data and operational effects remain undisclosed.

The record

CVE
CVE-2026-15706
Published
Aug 20, 2026
Updated
Aug 20, 2026
Vendor
Baylan Measuring Instruments Industry and Trade Inc.
Product
Baylan Meter Management Application (BMS)
Classifications
CWE-306, CAPEC-115
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 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=0 <v1.1.10.142

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Baylan Measuring Instruments Industry and Trade Inc. · Baylan Meter Management Application (BMS)version=0 <v1.1.10.142

Published CVSS scores

9.8TR-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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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-306Missing Authentication for Critical Function
CAPEC-115Authentication Bypass

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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