Detections
Analytics
CVE-2025-66510
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.
References
https://github.com/nextcloud/server/pull/55657
https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59