> JapanHacked_
[Investigating][Severity: Major][Unknown]

Clubnets: unauthorized access to CN Point satellite systems may expose names of 16,936 members

The satellite systems of Clubnets' shared points service CN Point were accessed without authorization, and member IDs and names of 16,936 members and more may have leaked.

Disclosed

2026-10-29

Organizations involved

1

Leaked or at risk

16.9K

16,936

Downtime

Unknown

What happened

Unauthorized access from outside to the satellite systems of CN Point was found, and three services were stopped with no restart date. [1]

  1. CN Exchange was stopped. [1]

  2. CN Content was stopped. [1]

  3. CN Monitor was stopped. [1]

Impact

Database
Records
Data
First
16,936
CN member ID, name
Second
2,857
CN member ID, name, email, phone, address
[1]

Each count is unique within its own member database; how many members appear in both is not published. No password leak is confirmed. [1]

Response

The core points system keeps running. With outside specialists it is investigating the cause and scope before deciding whether to restart the services. Affected members are contacted individually. [1]

What users should do

Change your password and watch out for suspicious calls, emails and text messages. [1]

Timeline

  1. Detected, Disclosed 2026-10-29
  2. 1 days

Attack or cause

Method
[Unknown]
Impact
[Data leak][Service outage]
Entry point
Unknown

Data exposed or at risk

[Name][E-mail address][Phone number][Postal address]

Services hit

Organizations involved

Open in organization search

Sources

  1. [1][Official]CNポイント サテライトシステムへの不正アクセスによる一部サービス停止および個人情報流出の可能性に関するお知らせ＜第1報＞Clubnets · 2026-10-29