---
id: CVE-2026-112772
title: 'Craft CMS 5.0.0 before 5.11.0 RCE via Asset::getMimeType Transform Injection'
summary: >-
  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 u…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-94
vendor: craftcms
product: cms
affected:
  - cms >= 5.0.0 < 5.11.0
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T19:10:51.181Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112772'
references:
  - url: 'https://github.com/craftcms/cms/security/advisories/GHSA-qm9x-rmcj-h2rc'
    label: GitHub Security Advisory (GHSA-qm9x-rmcj-h2rc)
  - url: >-
      https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.11.0-rce-via-asset-getmimetype-transform-injection
    label: >-
      VulnCheck Advisory: Craft CMS 5.0.0 before 5.11.0 RCE via
      Asset::getMimeType Transform Injection
tags:
  - cve.org
ingestedAt: '2026-10-19T19:38:06.464Z'
---

## Overview

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.

## Affected

- `cms >= 5.0.0 < 5.11.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.