ConcreteCMS is vulnerable to Denial of Service During Bulk Downloads

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

EUVD-2026-14895

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...