          authHandler: mustCall((methodsLeft, partial, cb) => {
            assert(methodsLeft === null, msg('expected null methodsLeft'));
            assert(partial === null, msg('expected null partial'));
            return 'none';
          })
        },
        { hostKeys: [HOST_KEY_RSA] }
      );
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.