PHP Vulnerability Responses by Company

Rikkei

Japan-based services
Aliases / services
株式会社リッケイ / Rikkeisoft / Rikkei
Official website
https://rikkeisoft.com/ja/

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
Not listed
Response information checked
2026-10-25 Rechecked: 2026-10-27

Development support from Rikkei Japan and the Rikkeisoft brand.

Offers PHP2Shell impact assessment, temporary measures and patching, compromise checks, credential updates and migration from unsupported versions. Existing clients receive individual guidance; third-party-developed systems are also eligible for consultation.

This recheck could not revalidate all listed information against current official sources. The previous verification date is retained. Check official notices or support for current availability and required action.

What users should do

Provide details of the system and PHP environment to request an individual remediation plan.

Official service URL

Source URLs

  1. PHP vulnerability responsehttps://rikkeisoft.com/ja/newsroom-2/php2shell-vulnerability-emergency-support/Service and operation documentation
  2. Operator and related informationhttps://rikkeisoft.com/ja/company-overview/Service and operation documentation
Related official sources
  1. PHP vulnerability responseOfficial notice; link to this PHP incident unconfirmed
  2. Operator and related informationOfficial information directory

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