Code Injection in Craft CMS - CVE-2026-56382
Published: June 3, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU133304
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56382
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to missing cleanseConfig in FieldsController::actionRenderCardPreview. A remote administrator can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Craft CMS
How to mitigate CVE-2026-56382
Install updates from vendor's website.
Craft CMS - update to 5.9.14