High severity7.2NVD Advisory· Published Oct 19, 2026· Updated Oct 19, 2026

CVE-2026-112774

Description

Craft CMS from 5.8.0 before 5.11.0 contains a remote code execution vulnerability that allows authenticated administrators to inject Yii behaviors by supplying a JSON-string field layout to ContentBlock::setFieldLayout(). Attackers with allowAdminChanges enabled can include 'as X' or 'on X' keys that bypass cleanseConfig() to execute OS commands as the web user and disclose secrets.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Craftcms/CMSllm-fuzzy
Range: <5.11.0

Patches

Vulnerability mechanics

References

github.com/craftcms/cms/security/advisories/GHSA-j6r9-fxgv-j7x5nvd
www.vulncheck.com/advisories/craft-cms-5.8.0-before-5.11.0-admin-rce-via-contentblock-field-layoutnvd

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cvss	0.468
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000