Summary
Based on the discussion typestack/class-validator#438, currently there is no fixed version of class-validator which fixes the CVE-2019-18413.
However a mitigation is suggested at typestack/class-validator#438 (comment) about the use of a previously undocumented option.
Expected Behavior
Respective changes as needed to be made to use the mitigations suggested at typestack/class-validator#438 (comment)
Current Behavior
Currently the latest version of javascript-obfuscator pulls in class-validator which has a vulnerable CVE.