Bug 2419462 (CVE-2025-66510) - CVE-2025-66510 nextcloud-server: Nextcloud Server Search allowed users to retrieve contact information of other users beyond their contact list
Summary: CVE-2025-66510 nextcloud-server: Nextcloud Server Search allowed users to ret...
Keywords:
Status: NEW
Alias: CVE-2025-66510
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2420188 2420192 2420194
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-05 17:02 UTC by OSIDB Bzimport
Modified: 2025-12-08 21:27 UTC (History)
0 users

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Description OSIDB Bzimport 2025-12-05 17:02:19 UTC 
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.
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