Medium severity · published Dec 5, 2025
CVE-2025-66553
Nextcloud Tables app allowed users to view columns metadata information of any table
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
SE
security-advisories · nextcloud
>= 0.9.0-beta.1, < 0.9.4; < 0.8.7 · source: vendor
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
More from security-advisories
9.8
CVE-2024-22212
Nextcloud global site selector authentication bypass
9.8
CVE-2023-49792
Bruteforce protection can be bypassed with misconfigured proxy
9.8
CVE-2022-31132
Unauthenticated SSRF in 3rd party module "cerdic/csstidy"
8.8
CVE-2026-45284
Nextcloud: Wrong condition in the User OIDC app's LdapService allowed deleted LDAP users to authenticate
8.2
CVE-2026-45545
Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution