CVE-2026-109306

MediumCVSS 5.9/10Last modified Oct 18, 2026

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.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 12, 2026
Last modified
Oct 18, 2026
NVD status
Awaiting Analysis

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CVE-2026-109306: Medium severity, CVSS 5.9 | Vulnix