PHP Vulnerability Responses by Company

TKC

Japan-based services
Aliases / services
株式会社TKC / TKCグループ / ティーケーシー / TKC
Official website
https://www.tkc.jp/

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

Response status by service

Affected services for accounting firms, their clients and local governments

Response status
Partly reopened; some services suspended
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Systems for accounting firms, businesses and municipalities.

Most affected services reopened October 23. Some accounting-firm services remain suspended, with affected customers to be informed individually.

Scope: Do not extend the headline's completion claim to every service. No CVE numbers or product-level list is provided.

What users should do

Check individual notices or support for your service's reopening status.

Official service URL

Source URLs

  1. Service restoration and remaining suspensions after PHP fixeshttps://www.tkc.jp/company/topics/2026/20261023/Response evidence
  2. https://www.tkc.jp/company/topics/https://www.tkc.jp/company/topics/Service and operation documentation
Related official sources
  1. Service restoration and remaining suspensions after PHP fixesOfficial notice; link to this PHP incident unconfirmed

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