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Medium severity · published Dec 5, 2025
CVE-2025-66513
Nextcloud Tables app share information not limited to relevant users
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
>= 1.0.0-beta.1, < 1.0.1; >= 0.9.0-beta.1, < 0.9.6; < 0.8.9 · source: vendor
TA
Tables · Nextcloud
0.6.0 before 0.8.9; 0.9.0 before 0.9.6; 1.0.0 before 1.0.1 · source: NVD
Affected product
SE
security-advisories
nextcloud
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66513
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66513
Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2cwj-qp49-4xfw
Patch
https://github.com/nextcloud/tables/commit/b92b9560b1e70a02b103a7aeb9e22e2ab5231873
Issue Tracking
https://github.com/nextcloud/tables/pull/2148
Issue Tracking
https://hackerone.com/reports/3334165
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