CVE-2025-66553

Name: CVE-2025-66553
Creator: NVD / NIST
Published: 2025-12-05T18:15:58.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2025-66553 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.23%

13.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Nextcloud	Tables	>= 0.8.0, < 0.8.7
Nextcloud	Tables	>= 0.9.0, < 0.9.4

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p53h-6294-crjwPatch, Vendor Advisory
https://github.com/nextcloud/tables/commit/e975f5bfedb6922f04cdd236cde4e26067fe064ePatch
https://github.com/nextcloud/tables/pull/1891Issue Tracking
https://hackerone.com/reports/3138721Issue Tracking, Vendor Advisory

Timeline

Published: Dec 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66553?

How severe is CVE-2025-66553?

CVE-2025-66553 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66553?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66553?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST