PHP Vulnerability Responses by Company

インパクトホールディングス株式会社

Japan-based services
Aliases / services
インパクトホールディングス株式会社 / Impact Holdings
Official website
https://impact-h.co.jp/
Sources identifying the operating company

Entity established in November2022 and renamed in2024; distinct from Impact Field, formerly Impact Holdings, and other group companies.

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

Response status by service

Impact Holdings corporate website

Response status
Website restored after patch confirmation
Response information checked
2026-10-27

Current re-audit: Source inaccessible; on hold · Research date: 2026-10-28

Retail promotion group's corporate websites

Impact Holdings reports temporarily suspending its corporate website as a precaution and restoring it after the server operator confirmed patch deployment and safety.

Scope: The current Impact Holdings corporate site; group companies are not treated as the same legal entity.

Some official sources could not be retrieved. Reverification remains on hold and the previous verification date is retained.

What users should do

The site can be used normally. Check notices and operators separately for related legal entities' websites.

Official service URL

Source URLs

  1. PHP vulnerability responsehttps://impact-h.co.jp/news/news20261023Response evidence
  2. https://impact-h.co.jp/news/https://impact-h.co.jp/news/Service and operation documentation
  3. Company and operator informationhttps://impact-h.co.jp/company/Service and operation documentation
Related official sources
  1. PHP vulnerability responseOfficial notice
  2. Company and operator informationOfficial information directory

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