{"id":"CVE-2026-109306","title":"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","summary":"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 t…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H","cwe":["CWE-862"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T17:17:24.923","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109306","references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-4wfw-q5w3-jh42","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.10.14-missing-authorization-via-app-switch-to-licensed-edition","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-12T18:00:08.196Z","vendor":"craftcms","product":"cms","affected":["cms >= 5.0.0 < 5.10.14"],"epss":0.00233,"epssPercentile":0.14155,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-18T11:50:28.638749Z"},"slug":"CVE-2026-109306","body":"## Overview\n\nCraft 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}