CVE-2025-47791 Nextcloud Server's test remote endpoint is not rate limited
An unused endpoint in Nextcloud Server allows attackers to proxy requests to other servers, enabling Server-Side Request Forgery attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-47791?
CVE-2025-47791 is a medium-severity server-side request forgery vulnerability in Nextcloud Nextcloud Server, published on 16 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2025-47791?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2025-47791?
No fix has been published for CVE-2025-47791 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-47791 being exploited?
There is no known exploitation of CVE-2025-47791 in the wild and no public exploit code.
Other vulnerabilities in Nextcloud Nextcloud Server
- CVE-2021-32802 Preview generation used third-party library not suited for user-generated content in Nextcloud server
- CVE-2023-26482 Scope of workflow operations is not validated in nextcloud server
- CVE-2018-3775 Auth bypass in Nextcloud Server
- CVE-2023-35172 Nextcloud Server password reset endpoint is not brute force protected
- CVE-2023-32320 Nextcloud Server's brute force protection allows someone to send more requests than intended
Sources
Also known as GHSA-c7vq-m7f8-rx37.