CVE-2023-26482 (nextcloud_server)

Nextcloud server is an open source home cloud implementation. In affected versions a missing scope validation allowed users to create workflows which are designed to be only available for administrators. Some workflows are designed to be RCE by invoking defined scripts, in order to generate PDFs, invoking webhooks or running scripts on the server. Due to this combination depending on the available apps the issue can result in a RCE at the end. It is recommended that the Nextcloud Server …

administrators app apps cloud cve defined end home missing nextcloud open source order pdfs rce result scope scripts server upgrade validation webhooks workflows