Nextcloud Richdocuments Information Disclosure Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication applications platform from Germany-based Nextcloud. nextcloud Richdocuments application in versions prior to 3.8.6 and 4.2.3 is vulnerable to an information disclosure vulnerability where the vulnerable application returns verbatim exception messages to the user. An attacker could exploit this vulnerability to cause a full path leak of shared files.