Vulnerability in Craftcms Cms
CVE-2026-78416
Craft CMS versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6 contain an authenticated remote code execution vulnerability in control panel element-search condition handling. A JSON cleanse bypass in condition.config allows Yii behavior/event configuration keys to be interpreted after decoding, enabling command execution as the PHP/web user.
Vulnerability class: Mass Assignment
Affected products
Weakness classification (CWE)
References
- 7004884b-51e2-48e8-b4a2-5ca29e80453e (technical-description, mitigation, third-party-advisory)
- 7004884b-51e2-48e8-b4a2-5ca29e80453e (release-notes)