A vulnerability marked as critical has been reported in Feehi CMS up to 2.1.1 . This vulnerability affects unknown code of the file /api/articles of the component REST API Endpoint . Performing a manipulation results in missing authentication. This vulnerability was named CVE-2026-13546 . The attack may be initiated remotely. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.