CVE-2025-66557

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

N

extcloud 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.

References

Link	Resource
https://github.com/nextcloud/deck/commit/f1da8b30a455f02373d44154da04494c949a95ae	Patch
https://github.com/nextcloud/deck/pull/7131	Issue Tracking Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wwr8-hx9g-rjvv	Patch Vendor Advisory
https://hackerone.com/reports/3247499	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:deck::::::::
	cpe:2.3:a:nextcloud:deck::::::::

History

09 Dec 2025, 16:46

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-05 18:15

Updated : 2025-12-09 16:46

NVD link : CVE-2025-66557

Mitre link : CVE-2025-66557

CVE.ORG link : CVE-2025-66557

JSON object : View

Products Affected

deck

CWE

CWE-284

Improper Access Control

NVD-CWE-noinfo

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