CVE-2026-112774Craft CMS 5.8.0 before 5.11.0 Admin RCE via ContentBlock Field Layout

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• GitHub Security Advisory (GHSA-j6r9-fxgv-j7x5) vendor-advisory
• VulnCheck Advisory: Craft CMS 5.8.0 before 5.11.0 Admin RCE via ContentBlock Field Layout third-party-advisory