Lucene search
+L

CVE-2025-66558: Authorization Bypass Through User-Controlled Key

🗓️ 05 Dec 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 11 Views

Authorization bypass in Nextcloud Twofactor WebAuthn prior to 1.4.2/2.4.1 allows device theft.

Related
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
WebAuthn second factor provider for Nextcloud 安全漏洞
5 Dec 202500:00
–cnnvd
cve
CVE
CVE-2025-66558
5 Dec 202518:00
–cve
cvelist
Cvelist
CVE-2025-66558 Nextcloud Twofactor WebAuthn app was updated based on public key
5 Dec 202518:00
–cvelist
euvd
EUVD
EUVD-2025-201460
5 Dec 202518:00
–euvd
nextcloud
Nextcloud
WebAuthn app was updated based on public key
5 Dec 202507:50
–nextcloud
hackerone
Hacker One
Nextcloud: WebAuthn app was updated based on public key
27 Sep 202516:53
–hackerone
mend
Mend
CVE-2025-66558
5 Dec 202518:00
–mend
nvd
NVD
CVE-2025-66558
5 Dec 202518:15
–nvd
ptsecurity
Positive Technologies
PT-2025-49302
5 Dec 202500:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2025-66558
9 Dec 202508:27
–redhatcve
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

09 Dec 2025 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.1 - 4.3
EPSS0.00278
SSVC
11