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Impact of PHP programming language Vulnerabilities on multibook

Security

Dear Customers,

Thank you for using multibook.

We would like to inform you about the impact on our service of the PHP programming language vulnerabilities disclosed on October 21, 2026 (CVE-2026-109618 and CVE-2026-109619, collectively known as “php2shell”).

multibook is not affected

Our cloud ERP service, multibook, does not use PHP programming language and is therefore not affected by these vulnerabilities.

The service is operating normally, and no action is required on your part.

You can continue using multibook with confidence.

Multibook Co., Ltd.

Update Information

2026/11/01

2026/11/01

2026/10/15

2026/09/24

2026/09/03

2026/08/27

2026/07/30

2026/07/16

2026/06/30

2026/06/17

2026/06/14

2026/06/14

2026/06/16

2026/06/15

2026/05/21

2026/05/14

2026/04/28

2026/04/21

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2026/03/30

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2026/01/29

2026/01/16

2025/12/14

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2025/12/14

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2025/11/23

2025/11/17

2025/11/06

2025/10/29

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