Language: PHP
Label: vulnerable
CWE: CWE-77 \u2014 Improper Neutralization of Special Elements used in a Command ('Command Injection')
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Code:
	public function accessTokenGet(){
		if(!Session::get('kodUser')){
			show_json('user not login!',ERROR_CODE_LOGOUT);
		}
		show_json($this->accessToken(),true);
	}