CVE-2026-15305

Users were able to upload files with arbitrary MIME types to forms using FileUpload or ImageUpload elements with allowedMimeTypes configured. The restriction was not enforced server-side because the MimeTypeValidator was registered during form building before concrete form definition properties...

PT-2026-58011

Name of the Vulnerable Software and Affected Versions TYPO3 CMS versions 14.2.0 through 14.3.5 Description Users can upload files with arbitrary MIME types to forms utilizing FileUpload or ImageUpload elements that have allowedMimeTypes configured. This occurs because the MimeTypeValidator is...