CVE-2025-47791

MEDIUM

Nextcloud Server < 28.0.13, 29.0.10, 30.0.3 - Server-Side Request Forgery via Share Recipient Verification Endpoint

Title source: llm

Description

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.

References (2)

Core 2

Core References

Patch, Third Party Advisory x_refsource_confirm

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c7vq-m7f8-rx37

Patch x_refsource_misc

https://github.com/nextcloud/server/pull/49558

Scores

CVSS v3 4.3

EPSS 0.0019

EPSS Percentile 40.0%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (1)

nextcloud/nextcloud_server 28.0.0 - 28.0.13 (2 CPE variants)

Published May 16, 2025

Tracked Since Feb 18, 2026