CVE-2025-66513 json
Nextcloud Tables app share information not limited to relevant users
published 2025-12-05 11 mo ago modified 2026-10-15 24 d ago also EUVD-2025-201441
- 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 24%
- public exploits
- 0
- none known
Summary
Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the information which table (numeric ID) is shared with which groups or users and the respective permissions was not limited to privileged users. This vulnerability is fixed in 0.8.9, 0.9.6, and 1.0.1.
Patch / fix
- nextcloud tables 0.8.9, 0.9.6, 1.0.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% 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:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/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/2148
issue-tracking, patch
-
github.com
/nextcloud/tables/commit/b92b9560b1e70a02b103a7aeb9e22e2ab5231873
patch
-
github.com
/nextcloud/security-advisories/security/advisories/GHSA-2cwj-qp49-4xfw
patch, vendor-advisory
-
hackerone.com
/reports/3334165
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2025-66513
- NVD CVE-2025-66513
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.