CVE-2026-28697: Improper Neutralization of Special Elements Used in a Template Engine

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, an authenticated administrator can achieve Remote Code Execution RCE by injecting a Server-Side Template Injection SSTI payload into Twig template fields e.g., Email Templates. By calling the craft.app.fs.write...