PHP Vulnerability Responses by Company

Kushida

Japan-based services
Aliases / services
Kushida / ELSPINA / IDI-System50 / IDI System50 / エルスピナ
Official website
https://kushida.co.jp/

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

Response status by service

IDI-System50 (cloud)

Response status
Emergency response and migration underway
Response information checked
2026-10-27

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

Provides the IDI-System50 remote monitoring and control system.

Affected PHP is used, with permanent version migration expected to take about a month. Interim patches, defenses and monitoring are announced; cloud emergency patching may proceed without prior coordination.

Scope: The notice announces emergency action, not completed patching across all contracts; distinguish on-premises procedures.

What users should do

Check the individual post-patching report and ask the provider about current patch status and migration plans.

Official service URL

Source URLs

  1. IDI-System50 PHP vulnerability responsehttps://kushida.co.jp/news/detail.cgi?id=94Response evidence
  2. https://kushida.co.jp/news/https://kushida.co.jp/news/Service and operation documentation

IDI-System50 (on-premises)

Response status
Remediation and migration underway
Response information checked
2026-10-27

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

On-premises installations also use affected PHP. Permanent migration is expected to take about a month, with emergency patches, WAF-type defenses and enhanced monitoring announced.

Scope: The no-prior-coordination provision is cloud-specific; do not infer automatic identical handling on premises.

What users should do

Ask the responsible contact about patching and migration for your installation.

Source URLs

  1. IDI-System50 PHP vulnerability responsehttps://kushida.co.jp/news/detail.cgi?id=94Response evidence
  2. https://kushida.co.jp/news/https://kushida.co.jp/news/Service and operation documentation
Related official sources
  1. IDI-System50 PHP vulnerability responseOfficial notice

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