Gakkido

Japan-based services

Aliases / services: 楽器堂 / 株式会社楽器堂 / 有限会社楽器堂 / GAKKIDO Co.,Ltd. / Gakkido
Official website: https://gakkido.jp/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Listed services and systems

Response status: Required updates completed
Response information checked: 2026-10-27 Rechecked: 2026-10-27

Website of Gakkido, a Kochi-based musical instrument retailer and music school operator.

On 22 October, Gakkido announced that it had completed the necessary security updates on 21 October in response to the PHP vulnerabilities disclosed that day.

What users should do

Use the website normally.

Official service URL

https://gakkido.jp/

Source URLs

PHP2Shell response and scopehttps://gakkido.jp/info/6962153Response evidence
Operating entityhttps://gakkido.jp/free/aboutusService and operation documentation

Related official sources

PHP2Shell response and scopeOfficial notice
Operating entityOfficial information directory