CVE-2025-66551
Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users
- State
- Published
- Severity
- 6.3 Medium
- Published
- Dec 5, 2025
- Updated
- Dec 9, 2025
- Reserved
- Dec 4, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L | GitHub_M |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
security-advisoriesnextcloud |
|
References
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