CVE-2026-28781 Craft Affected by Entries Authorship Spoofing via Mass Assignment

Craft is a content management system CMS. Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the entry creation process allows for Mass Assignment of the authorId attribute. A user with "Create Entries" permission can inject the authorIds or authorId parameter into the POST request, which the backend...