All vulnerabilities

Servers and applications

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, 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…

Severity
Medium 4.9
Published
5 Dec 2025
Last changed
18 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
28.0.14.11, 29.0.16.8, 30.0.17.3, 31.0.10, 32.0.1
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • From 28.0.0 before 28.0.14.11
  • From 29.0.0 before 29.0.16.8
  • From 30.0.0 before 30.0.17.3
  • From 31.0.0 before 31.0.10
  • From 32.0.0 before 32.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-66510
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-66510