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Vulnerability record · CVE-2025-66553 · published 5 December 2025

CVE-2025-66553: Nextcloud tables insecure direct object reference vulnerability

Nextcloud · Tables

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated users were able to view meta data of columns in other tables of the Tables app by modifying the numeric ID in a request. This vulnerability is fixed in 0.8.7 and 0.9.4.

4.3 CVSS 3.1 Medium EPSS 0.28% · top 82.0% CWE-639 · Insecure direct object reference
4.3CVSS 3.1 base score
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated users were able to view meta data of columns in other tables of the Tables app by modifying the numeric ID in a request. This vulnerability is fixed in 0.8.7 and 0.9.4.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p53h-6294-crjw PatchVendor Advisory
https://github.com/nextcloud/tables/commit/e975f5bfedb6922f04cdd236cde4e26067fe064e Patch
https://github.com/nextcloud/tables/pull/1891 Issue Tracking
https://hackerone.com/reports/3138721 Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-66553), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.