CVE-2026-112774Craft CMS 5.8.0 before 5.11.0 Admin RCE via ContentBlock Field Layout
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 19, 2026
Affected products
craftcms cms craftcms:cms (from the name) | from 5.8.0 before 5.11.0; 5.11.0 not affected | CNA record |
References
- https://github.com/craftcms/cms/security/advisories/GHSA-j6r9-fxgv-j7x5vendor-advisory
- https://www.vulncheck.com/advisories/craft-cms-5.8.0-before-5.11.0-admin-rce-via-contentblock-field-layoutthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.