CVE-2025-66557 — Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners
Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.14.6 and 1.15.2, a bug in …
Published: 2025-12-05 · CVSS: 5.4 · CVSS 3.1
Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.14.6 and 1.15.2, a bug in the permission logic allowed users with "Can share" permission to modify the permissions of other recipients. This vulnerability is fixed in 1.14.6 and 1.15.2.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7