CVE-2026-112774 Craft CMS - Remote Code Execution

Craft CMS > 5.8.0 < 5.11.0 contains a remote code execution caused by injection of Yii behaviors via JSON-string field layout in ContentBlock::setFieldLayout(), letting authenticated administrators execute OS commands and disclose secrets, exploit requires allowAdminChanges enabled.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-94

Vendor fix

Update to version 5.11.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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