CVE-2025-66551

Medium

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.

SeverityMedium

CVSS6.3

Exploit probability—

Product

Nextcloud Tables

PublishedDec 5, 2025

First seenDec 5, 2025

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

nextcloud tables0.8.6, 0.9.3 or later

Affected products

Product	Affected versions	Fixed in
nextcloud tables	0.4.0 ≤ v < 0.8.6, 0.9.0 ≤ v < 0.9.3	0.8.6, 0.9.3

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