The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the lack of access control measures, allowing attackers to gain unauthorized access to user accounts.
🗓️ 19 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 8 Views
| Reporter | Title | Published | Views | Family All 15 |
|---|---|---|---|---|
 | CVE-2025-66510 | 5 Dec 202514:50 | – | circl |
 | Nextcloud Server 安全漏洞 | 5 Dec 202500:00 | – | cnnvd |
 | CVE-2025-66510 | 5 Dec 202516:18 | – | cve |
 | CVE-2025-66510 Nextcloud Server Contacts Search allowed users to retrieve contact information of other users beyond their contact list | 5 Dec 202516:18 | – | cvelist |
 | EUVD-2025-201451 | 5 Dec 202516:18 | – | euvd |
 | Contacts search allowed users to retrieve contact information of other users beyond their contact list | 5 Dec 202508:03 | – | nextcloud |
 | CVE-2025-66510 | 5 Dec 202517:16 | – | nvd |
 | Nextcloud Server Information Disclosure Vulnerability (GHSA-495w-cqv6-wr59) | 9 Dec 202500:00 | – | openvas |
 | BIT-NEXTCLOUD-2025-66510 Nextcloud Server Contacts Search allowed users to retrieve contact information of other users beyond their contact list | 13 Jul 202609:29 | – | osv |
| CGA-Q387-MV3J-9PVP | 29 Jan 202600:48 | – | osv |
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19 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 34.9
CVSS 26.8
EPSS0.0035