CVE-2026-32264: Craft CMS vulnerable to behavior injection RCE ElementIndexesController and FieldsController

Description

Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.5 and from version 5.0.0-RC1 to before version 5.9.11, there is a Behavior injection RCE vulnerability in ElementIndexesController and FieldsController. Craft control panel administrator permissions and allowAdminChanges must be enabled for this to work. This issue has been patched in versions 4.17.5 and 5.9.11.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

High

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 45% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

CM

cms · craftcms

>= 4.0.0-RC1, < 4.17.5; >= 5.0.0-RC1, < 5.9.11 · source: vendor

CC

Craft Cms · Craftcms

4.0.0.1 before 4.17.5; 5.0.1 before 5.9.11; 4.0.0; 4.0.0; 4.0.0; 4.0.0; +2 more · source: NVD