CVE-2025-47794: Nextcloud Server is a self hosted personal cloud system

Medium severity · published May 16, 2025

CVE-2025-47794

Nextcloud Server is a self hosted personal cloud system

4.3

CVSS

0.5%

EPSS

On KEV

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

Low

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 42% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Nextcloud Server · Nextcloud

26.0.0 before 26.0.13.13; 27.0.0 before 27.1.11.13; 28.0.0 before 28.0.14.4; 29.0.0 before 29.0.13; 29.0.0 before 29.0.13; 30.0.0 before 30.0.7; +3 more · source: NVD

Affected product

Nextcloud Server

Nextcloud

All Nextcloud Server CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-47794

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-47794

Vendor Advisory

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q568-2933-gcjq

Issue Tracking

https://github.com/nextcloud/server/pull/51194

Permissions Required

https://hackerone.com/reports/1960647