CVE-2026-44011

Craft CMS is a content management system (CMS). From 4.0.0 to before 4.17.12 and 5.9.18, Craft CMS which contains an input-handling flaw in a Yii object creation path that let any authenticated user inject malicious configuration and execute arbitrary commands on the server. The request-controlled condition field layouts data is converted into a live FieldLayout object without a Component::cleanseConfig() boundary. Because Craft configures models before parent::__construct(), attacker-controlled special config keys can take effect during object creation, and FieldLayout initialization then triggers a same-request event. This vulnerability is fixed in 4.17.12 and 5.9.18.

• CWE-479

• https://github.com/craftcms/cms/commit/ab85ca7f5f926994f723f60584054a1f4c4c5de3
• https://github.com/craftcms/cms/security/advisories/GHSA-qrgm-p9w5-rrfw
• https://github.com/craftcms/cms/security/advisories/GHSA-qrgm-p9w5-rrfw

Published

May 12, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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