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CVE-2025-66510

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CVE-2025-66510

Published: Dec 5, 2025

Modified: Dec 5, 2025

PUBLISHED

CVSS v3.1

4.5

MEDIUM

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.

VendorProductVersions

nextcloud

security-advisories

affected
>= 32.0.0beta1, < 32.0.1
affected
< 31.0.10

Weaknesses (CWE)

CWE-359

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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