CVE-2025-66513

low-risk
Published 2025-12-05

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Tables

Affected Vendors

Nextcloud

References (4)

Patch https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2cwj-q...
Patch https://github.com/nextcloud/tables/commit/b92b9560b1e70a02b103a7aeb9e22e2ab5231...
Issue Tracking https://github.com/nextcloud/tables/pull/2148
Issue Tracking https://hackerone.com/reports/3334165
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal