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Nextcloud: Predictable proposal participant tokens enable unauthorized access and vote submission
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | CVE-2025-66511 | 5 Dec 202514:50 | – | circl |
 | Nextcloud Calendar 安全特征问题漏洞 | 5 Dec 202500:00 | – | cnnvd |
 | Nextcloud Calendar Security Feature Issue Vulnerability | 10 Dec 202500:00 | – | cnvd |
 | CVE-2025-66511 | 5 Dec 202516:42 | – | cve |
 | CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens | 5 Dec 202516:42 | – | cvelist |
 | EUVD-2025-201444 | 5 Dec 202516:42 | – | euvd |
 | Calendar app used predictable proposal participant tokens | 5 Dec 202508:08 | – | nextcloud |
 | CVE-2025-66511 | 5 Dec 202517:16 | – | nvd |
 | CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens | 5 Dec 202516:42 | – | osv |
 | PT-2025-49266 | 5 Dec 202500:00 | – | ptsecurity |
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04 Jan 2026 08:09Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.14.8 - 6.5
EPSS0.00023
SSVC