CVE-2026-25498
HIGH
GHSA-7jx7-3846-m7w7
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4Description
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.
Analysis
Craft is a platform for creating digital experiences. [CVSS 7.2 HIGH]
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 24 hours: Inventory all Craft instances in production and non-production environments, confirm patch availability from vendor, and assess patch compatibility with your deployment. Within 7 days: Deploy vendor patch to all affected Craft instances through controlled testing and staging validation. …
Sign in for detailed remediation steps.
Priority Score
Share
External POC / Exploit Code
Leaving vuln.today