CVE-2025-66553

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

4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2025-12-05

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• nextcloud:tables

References

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p53h-6294-crjw
• https://github.com/nextcloud/tables/commit/e975f5bfedb6922f04cdd236cde4e26067fe064e
• https://github.com/nextcloud/tables/pull/1891
• https://hackerone.com/reports/3138721

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