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CVE-2025-66552

Nextcloud Server admin_audit does not log all actions on files in groupfolders

Published: Dec 5, 2025Updated: Dec 10, 2025 Sources: CVE List NVD BDUCWE-778
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.3%
Top 82.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, incorrect path handling with groupfolders caused the admin_audit app to not properly log all actions on files and folders inside groupfolders. This vulnerability is fixed in Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-778

Affected Products

security-advisoriesnextcloud
SaaSSaaS Service
Cloud & SaaS / saas-application
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Nextcloud ServerNextcloud GmbH
SaaSSaaS Service
Cloud & SaaS / saas-application
Nextcloud Enterprise ServerNextcloud GmbH
SaaSSaaS Service
Cloud & SaaS / saas-application
nextcloud servernextcloud
SaaSSaaS Service
Cloud & SaaS / saas-application
nextcloudoss-projectDECloud & SaaSaka nextcloud server
ооо «ред софт»commercialRUOperating Systemsaka red soft
nextcloud gmbhcommercialDECloud & SaaSaka nextcloud server, nextcloud enterprise server, nextcloud calendar

Exploitability

Official Patch Available

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-ww9m-f8j4-jj9x
github.com
https://github.com/nextcloud/server/pull/50992
github.com
https://github.com/nextcloud/server/commit/7cc005c43c72bc384848cf8cb851895827c412f6
github.com
and 3 more references View all →

Timeline

Published
Dec 5, 2025
Last Updated
Dec 10, 2025

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