CVE-2026-48807

Twig is a template language for PHP. Prior to 3.27.0, the sandbox toString checks do not fully cover Traversable values passed to join and replace filters or operands evaluated by the in and not in operators, allowing contained Stringable objects to be coerced to strings without consulting the...

CVE-2026-48807

Twig: The vulnerability CVE-2026-48807 affects Twig templates in PHP prior to 3.27.0 where sandbox __toString() checks do not fully cover Traversable values passed to join/replace filters or in/not in operators, allowing contained Stringable objects to be coerced to strings without sandbox policy...

CVE-2026-48806

Twig (PHP) prior to 3.27.0 is vulnerable to a Sandbox __toString() policy bypass via dynamic mapping keys in ArrayExpression. The issue allows a Stringable object used as a mapping key to invoke its __toString() without SandboxExtension::ensureToStringAllowed(), enabling potential data exposure a...

GHSA-PR2W-4GPJ-CPQ4 Twig: Sandbox: multiple `__toString()` policy bypasses via unguarded string coercion points

Description SandboxNodeVisitor enforces SecurityPolicy::checkMethodAllowed for implicit toString calls by wrapping selected AST nodes in CheckToStringNode. The set of wrapped nodes is incomplete, and several Twig language constructs still trigger PHP string coercion on a Stringable operand withou...