CVE-2026-6366: Drupal

Medium severity, CVSS 6.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core: from 8.0.0 before 10.5.9, from 10.6.0 before 10.6.7, from 11.0.0 before 11.2.11, from 11.3.0 before 11.3.7.

Affected products

• Drupal Drupal: from 8.0.0, before 10.5.9 (fixed in 10.5.9); from 10.6.0, before 10.6.7 (fixed in 10.6.7); from 11.0.0, before 11.2.11 (fixed in 11.2.11); from 11.3.0, before 11.3.7 (fixed in 11.3.7)

Published 2026-05-19. Last modified 2026-07-24.