GHSA-86VW-X4WW-X467 Craft CMS: RCE via missing cleanseConfig in FieldsController::actionRenderCardPreview

The actionRenderCardPreview method in FieldsController passes the fieldLayoutConfig POST parameter directly to Fields::createLayout without calling Component::cleanseConfig. This allows Yii2 event handler injection via on eventName keys in the config array, leading to arbitrary code execution. Th...

CVE-2026-56382

Craft CMS composer package craftcms/cms versions = 5.5.0 and = 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout without calling Component::cleanseConfig...

CVE-2026-56382

Craft CMS composer package craftcms/cms versions = 5.5.0 and = 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout without calling Component::cleanseConfig...

CVE-2026-56382 Craft CMS - Remote Code Execution via Missing Config Sanitization in FieldsController

Craft CMS composer package craftcms/cms versions = 5.5.0 and = 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout without calling Component::cleanseConfig...

EUVD-2026-38176

Craft CMS composer package craftcms/cms versions = 5.5.0 and = 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout without calling Component::cleanseConfig...

CVE-2026-56382

Craft CMS (composer package craftcms/cms)

PT-2026-51230

Name of the Vulnerable Software and Affected Versions Craft CMS versions 5.5.0 through 5.9.13 Description An issue exists in the FieldsController::actionRenderCardPreview method where the fieldLayoutConfig POST parameter is passed directly to Fields::createLayout without being processed by...