CVE-2025-66557

MediumCVSS 4.3/10Last modified Sep 25, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 5, 2025
Last modified
Sep 25, 2026
NVD status
Analyzed

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CVE-2025-66557: Medium severity, CVSS 4.3 | Vulnix