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...

Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)

Impact Affected versions of Winter CMS allow authenticated backend users with CMS template-editing permissions to escape the Twig sandbox "safe mode" that is meant to restrict what template code can do. Using any of the following permissions, an attacker can read and modify arbitrary database...