What is the CVSS score of CVE-2025-47791?

CVE-2025-47791 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.2%.

Which versions of Nextcloud Server are affected by CVE-2025-47791?

Organizations using Nextcloud Server should be aware of moderate risk from CVE-2025-47791, a server-side request forgery vulnerability rated CVSS 4.3.. A patch is available.

How to fix or mitigate CVE-2025-47791?

Within 30 days: Identify affected systems running Nextcloud Server and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Nextcloud Server CVE-2025-47791

MEDIUM

Server-Side Request Forgery (SSRF) (CWE-918)

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

SSRF Nextcloud Server Nextcloud

4.3

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.3 MEDIUM

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

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

CVSS VectorGitHub Advisory

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:42 vuln.today

Patch released

Mar 28, 2026 - 18:42 nvd

Patch available

CVE Published

May 16, 2025 - 15:15 nvd

MEDIUM 4.3

DescriptionGitHub Advisory

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected correctly, allowing to proxy requests to another server. The endpoint was removed in Nextcloud Server 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server 28.0.13, 29.0.10, and 30.0.3. No known workarounds are available.

AnalysisAI

Nextcloud Server is a self hosted personal cloud system. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. This Server-Side Request Forgery (SSRF) vulnerability could allow attackers to make the server perform requests to unintended internal or external resources.

Technical ContextAI

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected correctly, allowing to proxy requests to another server. The endpoint was removed in Nextcloud Server 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server 28.0.13, 29.0.10, and 30.0.3. No known workarounds are available. Affected products include: Nextcloud Nextcloud Server. Version information: prior to 28.0.13.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.