> JapanHacked_
[Contained][Severity: Critical][Web app exploit]

Fine: the web server of its online shop was hacked and tampered with, and 912 credit card records may have leaked

A vulnerability in the web server of Fine's online shop was exploited and the site was tampered with; 912 card records since November 2017 may have leaked.

Disclosed

2026-07-27

Organizations involved

1

Leaked or at risk

912

912

Downtime

Unknown

What happened

  1. The Metropolitan Police Department's cybercrime unit told it that some shop files showed signs of tampering and buyers' card data might be leaking. It stopped the system, cut outside access and preserved logs and files. [1] [2]

  2. It announced the findings. An unauthorized access exploiting a web server vulnerability and file tampering (a malicious program) were confirmed. The scope was 912 card purchases from November 9, 2017 to June 30, 2026. There was no sign that login IDs or passwords leaked. [1] [2]

Timeline

  1. Detected 2026-06-30
  2. Disclosed 2026-07-27
  3. 27 days

Attack or cause

Method
[Web app exploit]
Impact
[Data leak]
Entry point
Web app

Data exposed or at risk

[Payment card]

Organizations involved

  • [Breached][Critical]Tokyo, ShinagawaManufacturing912 leaked

    Fine Co., Ltd.

    A web server vulnerability was exploited to tamper with files, and buyers' card holder names, numbers, expiry dates and security codes may have leaked.

Open in organization search

Sources

  1. [1][Official]弊社ECサイトにおける不正アクセスによる、個人情報流出の可能性に関するお詫びとお知らせFine Co., Ltd. · 2026-07-27
  2. [2][News]「ファインオンラインショップ」に不正アクセス、912件のカード情報が流出ScanNetSecurity · 2026-08-13 08:05