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CVE Vulnerability Details :
CVE-2025-66551
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-05 Dec, 2025 | 17:15
Updated At-09 Dec, 2025 | 20:09
Rejected At-
▼CVE Numbering Authority (CNA)
Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3.

Affected Products
Vendor
Nextcloud GmbHnextcloud
Product
security-advisories
Versions
Affected
  • >= 0.9.0-beta.1, < 0.9.3
  • < 0.8.6
Problem Types
TypeCWE IDDescription
CWECWE-639CWE-639: Authorization Bypass Through User-Controlled Key
Type: CWE
CWE ID: CWE-639
Description: CWE-639: Authorization Bypass Through User-Controlled Key
Metrics
VersionBase scoreBase severityVector
3.16.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7
x_refsource_CONFIRM
https://github.com/nextcloud/tables/pull/1810
x_refsource_MISC
https://github.com/nextcloud/tables/commit/39f24a62fb41fd7a8bda65325f8bbafdc91c731c
x_refsource_MISC
https://hackerone.com/reports/3137895
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/nextcloud/tables/pull/1810
Resource:
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/tables/commit/39f24a62fb41fd7a8bda65325f8bbafdc91c731c
Resource:
x_refsource_MISC
Hyperlink: https://hackerone.com/reports/3137895
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found