Object Injection in Drupal Core (v810.5.9, 10.610.6.6, 11.011.2.10, 11.311.3.6)
CVE-2026-6366 Published on May 19, 2026
Drupal core - Moderately critical - Gadget Chain - SA-CORE-2026-002
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.
Weakness Type
What is a Mass Assignment Vulnerability?
The software receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.
CVE-2026-6366 has been classified to as a Mass Assignment vulnerability or weakness.
Products Associated with CVE-2026-6366
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Affected Versions
Drupal core:- Version 8.0.0 and below 10.5.9 is affected.
- Version 10.6.0 and below 10.6.7 is affected.
- Version 11.0.0 and below 11.2.11 is affected.
- Version 11.3.0 and below 11.3.7 is affected.