What is the CVSS score of CVE-2025-47794?

CVE-2025-47794 has a CVSS 3.1 base score of 2.6 (Low). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Nextcloud Server are affected by CVE-2025-47794?

CVE-2025-47794 is a low-severity vulnerability in Nextcloud Server involving access control (CVSS 2.6).

How to fix or mitigate CVE-2025-47794?

During next maintenance window: Apply vendor patches when convenient. Verify access control controls are in place.

Nextcloud Server CVE-2025-47794

LOW

Improper Access Control (CWE-284)

2025-05-16 security-advisories@github.com

Authentication Bypass Nextcloud Server Nextcloud

2.6

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

2.6 LOW

AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:42 vuln.today

CVE Published

May 16, 2025 - 15:15 nvd

LOW 2.6

DescriptionGitHub Advisory

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.

AnalysisAI

Nextcloud Server is a self hosted personal cloud system. Rated low severity (CVSS 2.6), this vulnerability is remotely exploitable. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. 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. Affected products include: Nextcloud Nextcloud Server. Version information: prior to 29.0.13.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.