CVE-2025-66551

medium

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.

References

https://hackerone.com/reports/3137895

https://github.com/nextcloud/tables/pull/1810

https://github.com/nextcloud/tables/commit/39f24a62fb41fd7a8bda65325f8bbafdc91c731c

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-201440

Details

Source: Mitre, NVD

Published: 2025-12-05

Updated: 2026-09-25

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

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