CVE-2025-66510

published 2025-12-05

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…

Priority P4 29 medium 4.9 CVSS 3.1

AV N AC L PR H UI N S U C H I N A N

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

7 ranges

Vendor	Product	Version range	Fixed in
nextcloud	nextcloud_server	>= 28.0.0 < 28.0.14.11	28.0.14.11
nextcloud	nextcloud_server	>= 29.0.0 < 29.0.16.8	29.0.16.8
nextcloud	nextcloud_server	>= 30.0.0 < 30.0.17.3	30.0.17.3
nextcloud	nextcloud_server	>= 31.0.0 < 31.0.10	31.0.10
nextcloud	nextcloud_server	>= 32.0.0 < 32.0.1	32.0.1
nextcloud	security-advisories	< 31.0.10	31.0.10
nextcloud	security-advisories	—	—

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CWE-359