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Nextcloud Server CVE-2025-66552

| EUVD-2025-201446 MEDIUM
Insufficient Logging (CWE-778)
2025-12-05 security-advisories@github.com
4.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

4
EUVD ID Assigned
Mar 15, 2026 - 17:08 euvd
EUVD-2025-201446
Analysis Generated
Mar 15, 2026 - 17:08 vuln.today
Patch released
Mar 15, 2026 - 17:08 nvd
Patch available
CVE Published
Dec 05, 2025 - 17:16 nvd
MEDIUM 4.3

DescriptionNVD

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, incorrect path handling with groupfolders caused the admin_audit app to not properly log all actions on files and folders inside groupfolders. This vulnerability is fixed in Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1.

AnalysisAI

A security vulnerability in Nextcloud Server and Enterprise Server (CVSS 4.3). Remediation should follow standard vulnerability management procedures. Vendor patch is available.

Technical ContextAI

Vulnerability type not specified by vendor. Affects Nextcloud Server and Enterprise Server.

RemediationAI

Apply the vendor-supplied patch immediately.

Vendor StatusVendor

Debian

Bug #941708
nextcloud-server
Release Status Fixed Version Urgency
open - -

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CVE-2025-66552 vulnerability details – vuln.today

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