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CVE-2025-66557

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CVE-2025-66557

Published: Dec 5, 2025

Modified: Dec 8, 2025

PUBLISHED

CVSS v3.1

5.4

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.

VendorProductVersions

nextcloud

security-advisories

affected
>= 1.15.0-beta.1, < 1.15.2
affected
< 1.14.6

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

References

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