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CVE-2025-47794

Nextcloud Server vulnerable to insecure temporary file creation, race with write access and permission

Published: May 16, 2025Updated: Sep 30, 2025 Sources: CVE List NVDCWE-284
NVD MITRE
2.6CVSSLOW
EPSS Score
0.4%
Top 66.2%
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 prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix the issue. No known workarounds are available.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:RS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-284NVD-CWE-noinfo

Affected Products

nextcloud servernextcloud
SaaSSaaS Service
Cloud & SaaS / saas-application
security-advisoriesnextcloud
SaaSSaaS Service
Cloud & SaaS / saas-application
nextcloudoss-projectDECloud & SaaSaka nextcloud server

Exploitability

Official Patch Available

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q568-2933-gcjq
github.com
https://github.com/nextcloud/server/pull/51194
github.com
https://hackerone.com/reports/1960647
hackerone.com

Timeline

Published
May 16, 2025
Last Updated
Sep 30, 2025

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