Vulnerability Monitor

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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.

Published

2025-12-05T17:16:04.613

Last Modified

2025-12-10T16:12:34.217

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.5 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-359
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application nextcloud nextcloud_server < 28.0.14.11 Yes
Application nextcloud nextcloud_server < 29.0.16.8 Yes
Application nextcloud nextcloud_server < 30.0.17.3 Yes
Application nextcloud nextcloud_server < 31.0.10 Yes
Application nextcloud nextcloud_server < 31.0.10 Yes
Application nextcloud nextcloud_server < 32.0.1 Yes
References