CVE-2025-66510
December 05, 2025
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.
Affected Packages
https://github.com/nextcloud/tables.git (GITHUB):
Affected version(s) >=v0.9.0 <v0.9.6Fix Suggestion:
Update to version v0.9.6https://github.com/nextcloud/tables.git (GITHUB):
Affected version(s) =v1.0.0 <v1.0.1Fix Suggestion:
Update to version v1.0.1https://github.com/nextcloud/tables.git (GITHUB):
Affected version(s) >=v0.3.0 <v0.8.9Fix Suggestion:
Update to version v0.8.9Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Private Personal Information to an Unauthorized Actor
EPSS
Base Score:
0.03
