MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.1, SSRF via work_flow_template Import. Authenticated users can supply arbitrary URLs in work_flow_template.downloadUrl which are fetched server-side without any URL validation or internal IP filtering. This vulnerability is fixed in 2.9.1.
Server-Side Request Forgery The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.