CVE-2026-81891 elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, checkExtractItems in php/elFinderVolumeDriver.class.php calls mimetypeInternalDetect without passing the result through mimeTypeNormalize. Because the .phtml, .phar, .php5, and .php3 extension...

PT-2026-84022

Name of the Vulnerable Software and Affected Versions elFinder versions prior to 2.1.70 Description The checkExtractItems function in php/elFinderVolumeDriver.class.php calls mimetypeInternalDetect without passing the result through mimeTypeNormalize. Due to the absence of .phtml, .phar, .php5, a...