Dear Customers,
October 21, 2026
Saison Technology Co., Ltd.
Thank you for your continued use of our services.
A security release addressing a critical vulnerability in PHP, a widely used programming language for websites, is scheduled to be released on Wednesday, October 21, 2026 at 23:00 (Japan time).
To ensure our customers can use our services with peace of mind, we will temporarily suspend access to our website as a precautionary measure, as described below.
Please note that the details of the vulnerability and the patch have not yet been released, so the resumption date is tentative. We will gradually resume access as soon as the countermeasures have been applied and verified.
■Stop date and time
Wednesday, October 21, 2026, 8:00 PM - Resumption date TBD
■Target
・ HULFT Technical Support Service Dedicated Website
・ Manual site
・ HULFT Square HULFT Square Maintenance Information
■Impact
The above website will be unavailable during the downtime.
■Reference information
IPA "[Request for Advance Preparation] Regarding the Scheduled Release of PHP Security Releases"
https://www.ipa.go.jp/security/security-alert/2026/pre-alert20261021.html
We sincerely apologize for any inconvenience this may cause our customers, and we appreciate your understanding.
End