Protection Mechanism Failure

Overview Affected versions of this package are vulnerable to Protection Mechanism Failure via the System\Twig\SecurityPolicy process. An attacker can read and modify arbitrary database records, execute arbitrary SQL commands, and inject PHP code to achieve remote code execution by exploiting meth...

CVE-2026-79774

Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape in System\Twig\SecurityPolicy. Authenticated backend users with template-editing permissions can bypass sandbox restrictions by exploiting method forwarding through Eloquent models and query builders (e.g., save...

EUVD-2026-65532

Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape vulnerability in System\Twig\SecurityPolicy that allows authenticated backend users with template-editing permissions to bypass sandbox restrictions. Attackers can exploit method forwarding through Eloquent...

CVE-2026-79774 Winter CMS before 1.2.13 Twig Sandbox Escape via SecurityPolicy

Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape vulnerability in System\Twig\SecurityPolicy that allows authenticated backend users with template-editing permissions to bypass sandbox restrictions. Attackers can exploit method forwarding through Eloquent...

PT-2026-81363

Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape vulnerability in SystemTwigSecurityPolicy that allows authenticated backend users with template-editing permissions to bypass sandbox restrictions. Attackers can exploit method forwarding through Eloquent models...