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I. Basic Information for CVE-2026-25498
Vulnerability Information

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Vulnerability Title
Craft has a potential authenticated Remote Code Execution via malicious attached Behavior
Source: NVD (National Vulnerability Database)
Vulnerability Description
Craft is a platform for creating digital experiences. In versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a Remote Code Execution (RCE) vulnerability exists in Craft CMS where the assembleLayoutFromPost() function in src/services/Fields.php fails to sanitize user-supplied configuration data before passing it to Craft::createObject(). This allows authenticated administrators to inject malicious Yii2 behavior configurations that execute arbitrary system commands on the server. This vulnerability represents an unpatched variant of the behavior injection vulnerability addressed in CVE-2025-68455, affecting different endpoints through a separate code path. This vulnerability is fixed in 5.8.22.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用外部可控制的输入来选择类或代码(不安全的反射)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Craft CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Craft CMS是Craft CMS开源的一套内容管理系统(CMS)。 Craft CMS 4.0.0-RC1版本至4.16.17版本和5.0.0-RC1版本至5.8.21版本存在安全漏洞,该漏洞源于assembleLayoutFromPost函数未清理用户配置数据,可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
craftcmscms >= 5.0.0-RC1, < 5.8.22 -
II. Public POCs for CVE-2026-25498
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III. Intelligence Information for CVE-2026-25498
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IV. Related Vulnerabilities
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