CVE-2026-36458

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

ChestnutCMS v1.5.10 has a SQL injection vulnerability. The content parameter of the cms_content tag can be manipulated in the admin backend and injected into a SQL query when the template is rendered.

Published 2026-05-07. Last modified 2026-06-17.