🛡️ CVE-2025-66553 — tables

🟡 CVSS 4.3 — Medium ✅ No Known Exploit CWE-639 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

CVE-2025-66553 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2025-66553 is recorded against 1 package.

  • tables (from 0.9.0 up to 0.9.4)

Timeline and source

Published on 5 December 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
hackerone.com

Details

Severity MEDIUM
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE CWE-639
Public Exploit ✅ No
Source NVD
Published 2025-12-05
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
tables 0.9.0 0.9.4

Similar Threats

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