CVE-2026-55804: Drupal

Medium severity, CVSS 5.9. 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 versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

Affected products

• Drupal Drupal: before 10.5.12 (fixed in 10.5.12); from 10.6.0, before 10.6.11 (fixed in 10.6.11); from 11.0.0, before 11.2.14 (fixed in 11.2.14); from 11.3.0, before 11.3.12 (fixed in 11.3.12)

Published 2026-07-10. Last modified 2026-07-16.