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-2026-48806

Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke toString on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed. This issue is fixed in versi...

CVE-2026-48806

Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke toString on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed. This issue is fixed in versi...

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-2026-47732

Twig is a template language for PHP. Prior to 3.26.0, several Twig language constructs trigger PHP string coercion on a Stringable operand without consulting SecurityPolicy::checkMethodAllowed, allowing a sandboxed template author to invoke toString on objects reachable in the render context...

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-2026-48807

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-2026-48806 Twig: Sandbox `__toString()` policy bypass via dynamic mapping keys

Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke toString on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed. This issue is fixed in versi...

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...

CVE-2026-48806

Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke toString on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed. This issue is fixed in versi...

GHSA-8X9C-RMQH-456C Twig: Sandbox `__toString()` policy bypass via `Traversable` in `join` and `replace` filters

Description This is a residual bypass of CVE-2026-47732 / GHSA-pr2w-4gpj-cpq4 left after the initial fix for unguarded toString calls. It covers two related coercion points that were not caught by the original patch. Traversable in join and replace filters. SandboxExtension::ensureToStringAllowed...

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...