All forms are impacted even in the admin

if you checked :
Default challenge on non-listed forms.
Enable CAPTCHA for every form not listed in "CAPTCHA points"

All forms are impacted even in the admin for no user id = 1

file : modules\captcha\captcha.module
Line : 165 and 272
Code : ADD =>
if($form_id != 'views_exposed_form' && $form_id != 'search_block_form' && $form_id != 'node_page_form' && $form_id != 'node_page_edit_form' && $form_id != 'editor_image_dialog'){

}