PHP Vulnerability Responses by Company

株式会社エスアイ・システム

Japan-based services
Aliases / services
株式会社エスアイ・システム / SI System Co., Ltd. / スタッフエクスプレス / STAFF EXPRESS / STAFF EXPRESS NEO / STAFF EXPRESS PARTNER+ / SI System
Official website
https://si-system.jp/
Sources identifying the operating company

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

Response status by service

STAFF EXPRESS NEO

Response status
Restored with feature restrictions
Response information checked
2026-10-28

Current re-audit: Official response verified · Research date: 2026-10-28

Staffing and human-resources management software provider

Maintenance ended at 17:45 on October 23. The 18:00 update still restricts the NEO administrator menu and online applicant registration.

Scope: Separate from PARTNER+ and the core STAFF EXPRESS update; restoration is not full feature availability.

What users should do

Use available NEO functions and check the official notice for lifting of restrictions.

Official service URL

Source URLs

  1. PHP vulnerability response noticehttps://ss.si-system.jp/hc/ja/articles/63487808795545Response evidence

STAFF EXPRESS PARTNER+

Response status
Fix applied
Response information checked
2026-10-28

Current re-audit: Official response verified · Research date: 2026-10-28

The notice reports applying the fix on the morning of October 22 and continuing service availability.

Scope: Separate from remaining NEO feature restrictions.

What users should do

Use PARTNER+ normally.

Source URLs

  1. PHP vulnerability response noticehttps://ss.si-system.jp/hc/ja/articles/63487808795545Response evidence

STAFF EXPRESS core system

Response status
Compatibility update completed
Response information checked
2026-10-28

Current re-audit: Official response verified · Research date: 2026-10-28

The core system was updated around 20:00–22:00 on October 22 to apply the remediated NEO version; completion is reported.

Scope: A related core-system update; does not establish core PHP use or restoration of all NEO functions.

What users should do

Use normally and contact provider support if problems arise.

Source URLs

  1. PHP vulnerability response noticehttps://ss.si-system.jp/hc/ja/articles/63487808795545Response evidence
Related official sources
  1. PHP vulnerability response noticeOfficial notice
  2. Organization and operator informationOfficial information directory

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