High severity · published Oct 19, 2026
CVE-2026-112772
Craft CMS 5.0.0 before 5.11.0 RCE via Asset::getMimeType Transform Injection
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
cms · craftcms
5.0.0 before 5.11.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112772
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112772
github.com
https://github.com/craftcms/cms/security/advisories/GHSA-qm9x-rmcj-h2rc
www.vulncheck.com
https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.11.0-rce-via-asset-getmimetype-transform-injection
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