GetCookiesAsync HttpOnly cookie

[andrekiba]

Hello and thanks in advance.
I have to support a saml2 auth flow from a WPF application (I know it is a wrong thing but we don't have alternatives...).
Using WebView2 I can complete the flow but at the end I also need to retrieve the content of a cookie, that is marked HttpOnly.
This cookie contains the saml2 assertion that I then need to use to call downstream apis.
I was inspired by this very interesting article but seems that the GetCookiesAsync is not able to retrieve HttpOnly cookies, is that true?
Is there another way to achieve this?