Craft CMS up to 5.10.x Twig Sandbox Craft::createObject as/on code injection

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k3.65-

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Craft CMS up to 5.10.x. Affected by this vulnerability is the function Craft::createObject of the component Twig Sandbox. This manipulation of the argument as/on causes code injection. This vulnerability is handled as CVE-2026-112772. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Craft CMS up to 5.10.x. It has been declared as problematic. Affected by this vulnerability is the function Craft::createObject of the component Twig Sandbox. The manipulation of the argument as/on with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-112772 since 10/19/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 5.11.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Craft CMS 5.11.0

Timelineinfo

10/19/2026 Advisory disclosed
10/19/2026 +0 days CVE reserved
10/19/2026 +0 days VulDB entry created
10/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-112772 (🔒)
GCVE (CVE): GCVE-0-2026-112772
GCVE (VulDB): GCVE-100-422521

Entryinfo

Created: 10/19/2026 21:31
Changes: 10/19/2026 21:31 (78)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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