Nextcloud Deck

Nextcloud Deck Permission Logic Vulnerability (CVE-2025-66557) — Medium Severity

Understanding the Nextcloud Deck Permission Issue Nextcloud Deck, a popular Kanban-style tool for personal and team project organization within Nextcloud, had a security flaw. This issue could allow certain users to change the access rights of others, even when they…

Alex Joseph
December 11, 2025

Nextcloud Deck File Extension Spoofing Vulnerability (CVE-2025-66548) — Low Severity

Nextcloud Deck File Extension Spoofing Vulnerability (CVE-2025-66548) Nextcloud Deck, a popular Kanban-style tool for personal and team project organization within Nextcloud, has been found to have a file extension spoofing vulnerability. This flaw could trick users into downloading and opening…

Alex Joseph
December 11, 2025