株式会社キャンバス

Websites under maintenance and management contracts

Response status

Updates and safety checks progressing

Response information checked

2026-10-27

Current re-audit: Source inaccessible; on hold · Research date: 2026-10-28

Web production and maintenance in Maizuru

Canvas reports progressively checking hosting responses, applying fixes and validating safety. It reports no damage found, but does not announce completion for every site.

Scope: Sites under maintenance contracts; responsibility differs for customer-managed servers after delivery.

Some official sources could not be retrieved. Reverification remains on hold and the previous verification date is retained.

What users should do

Confirm contract coverage and follow the team's instructions.

Official service URL

• https://canvas-web.jp/

Source URLs

1. PHP vulnerability responsehttps://canvas-web.jp/phpの脆弱性報道にともなう弊社管理・制作webサイト/Response evidence
2. https://canvas-web.jp/overview/https://canvas-web.jp/overview/Service and operation documentation

Delivered sites on customer-managed servers

Response status

Customer checks and updates advised

Response information checked

2026-10-27

Current re-audit: Source inaccessible; on hold · Research date: 2026-10-28

Canvas advises customer-managed environments to check PHP and patch status with the server operator and offers individual consultation.

Scope: Outside the maintenance contract; no-action advice for maintained sites does not apply.

Some official sources could not be retrieved. Reverification remains on hold and the previous verification date is retained.

What users should do

Ask the operator or hosting provider to perform necessary updates and validation.

Source URLs

1. PHP vulnerability responsehttps://canvas-web.jp/phpの脆弱性報道にともなう弊社管理・制作webサイト/Response evidence
2. https://canvas-web.jp/overview/https://canvas-web.jp/overview/Service and operation documentation