cvedb.io
CVE-2025-66510
MEDIUM · CVSS 4.5
EPSS exploitation probability: 0%
Published 2025-12-05T17:16:04.613 · Last modified 2026-06-17T09:56:57.567

Summary

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 products

nextcloud — nextcloud_server

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.