Code Injection in Craft CMS - CVE-2026-32263
Published: June 16, 2026
Vulnerability identifier: #VU134666
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-32263
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Pixel & Tonic, Inc.
Affected software:
Craft CMS
Craft CMS
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to improper control of code generation in EntryTypesController::actionApplyOverrideSettings() when processing crafted settings parameters. A remote user can inject Yii2 behavior or event-handler configuration keys to execute arbitrary code.
Exploitation requires Craft control panel administrator access and the allowAdminChanges setting to be enabled.
How to mitigate CVE-2026-32263
Install security update from vendor's website.