Description:

There is no rate limit sent unlimited email victim or any email address.

Proof of Concept:

There is no rate limit return-password , attacker to send unlimited email to victim or any email address.

Impact:

Attacker can sent unlimited email to any mail address .

Solution:

Add 'throttle' => 60, to auth.php config or $this->middleware('throttle:3,1') to the forgot password controller construct.

References:

https://apisecurity.io/encyclopedia/content/owasp/api4-lack-of-resources-and-rate-limiting.htm