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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59 Patch, Vendor Advisory
- https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57 Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 4.9 · nextcloudNVD modified 2026-10-18 14:10
Affected (CPE criteria) 2
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*