## Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007

- 種別: advisory
- 重大度: critical
- 関連技術: drupal, php
- CVE: CVE-2026-55806
- 公開日時: 2026-06-17T18:57:37.000Z
- 情報源: Drupal Security Advisories (https://www.drupal.org/sa-core-2026-007)
- パーマリンク: https://vulnpulse.app/items/drupal-security-d45044acd359

Project: Drupal core Project machine name: drupal Date: 2026-June-17 Security risk: Less critical 9 ∕ 25 AC:Basic/A:None/CI:None/II:None/E:Theoretical/TD:Default Vulnerability: Cache poisoning and open redirect Affected versions: <10.5.12 || >=10.6.0 <10.6.11 || >=11.2.0 <11.2.14 || >=11.3.0 <11.3.12 || 11.0.* || 11.1.* CVE IDs: CVE-2026-55806 Description: Drupal core ships a rebuild.php front controller that can be used to rebuild Drupal (clearing the caches and rebuilding the container) when the site is in an unexpected condition. This script doesn't correctly check the Host header against…