CVE-2025-66551

CWE-639 — Insecure Direct Object Reference2 documents2 sources

Severity

4.3MEDIUM

EPSS

0.0%

top 93.98%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Nextcloud Security-advisories Nextcloud Tables

Timeline

PublishedDec 5

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:LExploitability: 2.1 | Impact: 4.2

Affected Packages2 packages

▶NVDnextcloud/tables0.4.0 — 0.8.6+1

▶CVEListV5nextcloud/security-advisories< 0.8.6+1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

CVEList

Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users↗2025-12-05

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