Language: Python
Label: vulnerable
CWE: CWE-94 \u2014 Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Code:
    def visit_AnnAssign(self, node: AnnAssign) -> AST:
        return self.node_contents_visit(node)