CVE-2026-6366
Drupal core - Moderately critical - Gadget Chain - SA-CORE-2026-002
6.6
MEDIUM
CVSS 3.1
EPSS 0.07%
Description
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.
How to fix CVE-2026-6366
To remediate CVE-2026-6366, upgrade the affected package to a fixed version below.
- —upgrade to 10.5.9 or later
- —upgrade to 10.5.9 or later
- —upgrade to 10.5.9 or later
Is CVE-2026-6366 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 8.0.0, < 10.5.9, >= 10.6.0, < 10.6.7, >= 11.0.0, < 11.2.11, >= 11.3.0, < 11.3.7
- >= 8.0.0, < 10.5.9 | >= 10.6.0, < 10.6.7 | >= 11.0.0, < 11.2.11 | >= 11.3.0, < 11.3.7
- >= 8.0.0, < 10.5.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |