CVE-2025-66510

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users (emails, names, identifiers) without proper access control. This allows an authenticated user to retrieve information about accounts that are not related or added as contacts.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*

History

10 Dec 2025, 16:12

Type Values Removed Values Added
First Time Nextcloud
Nextcloud nextcloud Server
CPE cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
References () https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59 - () https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59 - Patch, Vendor Advisory
References () https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57 - () https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57 - Patch
References () https://github.com/nextcloud/server/pull/55657 - () https://github.com/nextcloud/server/pull/55657 - Issue Tracking

05 Dec 2025, 17:16

Type Values Removed Values Added
New CVE

Information

Published : 2025-12-05 17:16

Updated : 2025-12-10 16:12


NVD link : CVE-2025-66510

Mitre link : CVE-2025-66510

CVE.ORG link : CVE-2025-66510


JSON object : View

Products Affected

nextcloud

  • nextcloud_server
CWE
CWE-359

Exposure of Private Personal Information to an Unauthorized Actor