Mautic versions 1.0.0 - 2.11.0 are vulnerable to allowing any authorized Mautic user session (must be logged into Mautic) to use the Filemanager to download any file from the server that the web user has access to.

Mautic versions 2.0.0 - 2.11.0 with a SSO plugin installed could allow a disabled user to still login using email address

Mautic version 2.1.0 - 2.11.0 is vulnerable to an inline JS XSS attack when using Mautic forms on a Mautic landing page using GET parameters to pre-populate the form.