CVE-2025-66557
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Nextcloud Deck
PublishedDec 5, 2025
First seenDec 5, 2025
Weakness typeCWE-284Improper access control
How to fix
Update
- nextcloud deck1.14.6, 1.15.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud deck | 1.14.0 ≤ v < 1.14.6, 1.15.0 ≤ v < 1.15.2 | 1.14.6, 1.15.2 |
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