CVE-2026-112774

CVSS 8.7 (high) · published 2026-10-19

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.

Weakness: CWE-94

Source: NVD CVE-2026-112774

References

• https://github.com/craftcms/cms/security/advisories/GHSA-j6r9-fxgv-j7x5
• https://www.vulncheck.com/advisories/craft-cms-5.8.0-before-5.11.0-admin-rce-via-contentblock-field-layout

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