CVE-2025-66551

| EUVD-2025-201440 MEDIUM
2025-12-05 [email protected]
6.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Analysis Generated
Mar 15, 2026 - 17:08 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 17:08 euvd
EUVD-2025-201440
Patch Released
Mar 15, 2026 - 17:08 nvd
Patch available
CVE Published
Dec 05, 2025 - 18:15 nvd
MEDIUM 6.3

Description

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3.

Analysis

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3.

Technical Context

This vulnerability is classified as Authorization Bypass Through User-Controlled Key (CWE-639).

Affected Products

Affected products: Nextcloud Tables

Remediation

A vendor patch is available. Apply it as soon as possible and verify the fix.

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2025-66551 vulnerability details – vuln.today

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