CVE-2026-112772

EUVD-2026-104578
Craft CMS from 5.0.0 before 5.11.0 contains a remote code execution vulnerability that allows authenticated Control Panel users to escape the Twig sandbox via Asset::getMimeType transforms. Attackers can supply 'as' or 'on' keys passed unfiltered to Craft::createObject, attaching malicious behaviors or event handlers that execute code as the web user.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 47.09%
Common Weakness Enumeration
References
https://github.com/craftcms/cms/security/advisories/GHSA-qm9x-rmcj-h2rc
https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.11.0-rce-via-asset-getmimetype-transform-injection