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TI-2025-40964 Aliases CVE-2025-66553

Nextcloud Tables app allowed users to view columns metadata information of any table

Priority LOW 20CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00296 22nd percentileScored 2026-11-07
Fix Fixed security-advisories (nextcloud): 0.9.4, 0.8.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nextcloudsecurity-advisories0.9.0-beta.1 to before 0.9.4; before 0.8.70.9.4, 0.8.7Patch availableCNA
  • security-advisories Vendornextcloud Affected 0.9.0-beta.1 to before 0.9.4; before 0.8.7 Fixed in 0.9.4, 0.8.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nextcloud:tables:*:*:*:*:*:nextcloud:*:*0.8.0 to before 0.8.7; 0.9.0 to before 0.9.4Vulnerablenextcloud
  • cpe:2.3:a:nextcloud:tables:*:*:*:*:*:nextcloud:*:* Versions 0.8.0 to before 0.8.7; 0.9.0 to before 0.9.4 Vulnerable ·nextcloud

Remediation

  • Fix · CNA security-advisories (nextcloud) Fixed in 0.9.4, 0.8.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66553

References

Patch 2

Advisory 1

Other 1

  • TI-2026-33296 Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution CVSS 3.1HIGH 8.2
  • TI-2026-33461 Nextcloud: Tables app allows limited SQLi in ORDER BY with malicious sort order argument for Table Views CVSS 3.1HIGH 7.1
  • TI-2024-35182 Nextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables CVSS 3.1MEDIUM 6.5
  • TI-2025-40962 Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users CVSS 3.1MEDIUM 6.3
  • TI-2025-40935 Nextcloud Tables app share information not limited to relevant users CVSS 3.1MEDIUM 5.3
  • TI-2024-35178 Share information of the Nextcloud Tables app is not limited to affected users CVSS 3.1MEDIUM 4.3
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences