CVE-2025-66553 json
Nextcloud Tables app allowed users to view columns metadata information of any table
published 2025-12-05 11 mo ago modified 2026-10-15 24 d ago also EUVD-2025-201430
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nextcloud tables 0.8.7, 0.9.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- nextcloud security-advisories
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
github.com
/nextcloud/tables/pull/1891
issue-tracking
-
github.com
/nextcloud/tables/commit/e975f5bfedb6922f04cdd236cde4e26067fe064e
patch
-
github.com
/nextcloud/security-advisories/security/advisories/GHSA-p53h-6294-crjw
patch, vendor-advisory
-
hackerone.com
/reports/3138721
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2025-66553
- NVD CVE-2025-66553
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.