CVE-2026-46638 Twig: `{% sandbox %}{% include %}` skips checkSecurity() on cached templates (incomplete fix for CVE-2024-45411)

Twig is a template language for PHP. Prior to 3.26.0, % sandbox %% include % can include a template that was previously loaded outside the sandbox without re-invoking checkSecurity, allowing the cached template to use tags, filters, and functions that should have been denied by...