CVE-2026-29113: Craft CMS

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Craft is a content management system (CMS). Prior to 4.17.3 and 5.9.7, Craft CMS has a CSRF issue in the preview token endpoint at /actions/preview/create-token. The endpoint accepts an attacker-supplied previewToken. Because the action does not require POST and does not enforce a CSRF token, an attacker can force a logged-in victim editor to mint a preview token chosen by the attacker. That token can then be used by the attacker (without authentication) to access previewed/unpublished content tied to the victim’s authorized preview scope. This vulnerability is fixed in 4.17.3 and 5.9.7.

Affected products

• Craft CMS Craft CMS: from 4.0.0, before 4.17.4 (fixed in 4.17.4); from 5.0.0, before 5.9.7 (fixed in 5.9.7)

Published 2026-03-10. Last modified 2026-09-02.