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VULNERABILITIES

CVE-2025-66510 Details

Description

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59 [email protected]PatchVendor Advisory
https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57 [email protected]Patch
https://github.com/nextcloud/server/pull/55657 [email protected]Issue Tracking

Weakness Enumeration

CWE-IDCWE NameSource
CWE-359Exposure of Private Personal Information to an Unauthorized Actor[email protected]

Affected Products

ProductVersions
nextcloud nextcloud server
>= 28.0.0, < 28.0.14.11
>= 29.0.0, < 29.0.16.8
>= 30.0.0, < 30.0.17.3
>= 31.0.0, < 31.0.10
>= 32.0.0, < 32.0.1

CPE

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

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-66510
NVD Published Date:
Dec 5, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2025-66510 Details - Not Deferred