Medium severity · published Dec 5, 2025
CVE-2025-66553
Nextcloud Tables allows you to create your own tables with individual columns
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
Tables · Nextcloud
0.8.0 before 0.8.7; 0.9.0 before 0.9.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66553
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66553
Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p53h-6294-crjw
Patch
https://github.com/nextcloud/tables/commit/e975f5bfedb6922f04cdd236cde4e26067fe064e
Issue Tracking
https://github.com/nextcloud/tables/pull/1891
Issue Tracking
https://hackerone.com/reports/3138721
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