ColdBox Core MVC does not have validation built-in but it is implemented via the offical core cbValidation module. You can easily install the module in your application via:

box install cbvalidation

You can find much more information about this module in the following resources:

• Source: https://github.com/coldbox/cbox-validation​

• Documentation: https://github.com/coldbox-modules/cbox-validation/wiki​

• ForgeBox : http://forgebox.io/view/cbvalidation​