Craft CMS from 5.0.0 before 5.10.14 contains a missing authorization vulnerability in AppController::actionSwitchToLicensedEdition() that lets any authenticated user change the installed edition. Low-privileged front-end users can call the action route when the licensed edition mismatches to persistently downgrade the site edition in project config, which admins cannot reverse from the control panel.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
craftcms cms unaffected
Version Status Constraints
5.0.0 affected < 5.10.14
5.10.14 unaffected —

No data.

No data.

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Project Subscriptions

Vendors Products
Craftcms Subscribe
Craft Cms Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/craftcms/cms/security/advisories/GHSA-4wfw-q5w3-jh42 cve-icon cve-icon
https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.10.14-missing-authorization-via-app-switch-to-licensed-edition cve-icon cve-icon
History

Mon, 12 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description Craft CMS from 5.0.0 before 5.10.14 contains a missing authorization vulnerability in AppController::actionSwitchToLicensedEdition() that lets any authenticated user change the installed edition. Low-privileged front-end users can call the action route when the licensed edition mismatches to persistently downgrade the site edition in project config, which admins cannot reverse from the control panel.
Title Craft CMS 5.0.0 before 5.10.14 Missing Authorization via app/switch-to-licensed-edition
First Time appeared Craftcms
Craftcms craft Cms
Weaknesses CWE-862
CPEs cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
Vendors & Products Craftcms
Craftcms craft Cms
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-12T16:05:03.382Z

Reserved: 2026-10-12T14:13:39.027Z

Link: CVE-2026-109306

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-12T17:17:24.923

Modified: 2026-10-12T17:17:24.923

Link: CVE-2026-109306

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T19:00:07Z

Weaknesses