CVE-2025-56520 Server-side request forgery in n/a

Medium 5.3 Published Updated

An attacker can exploit an SSRF vulnerability in Dify's remote file upload API to access internal resources or bypass security controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-56520?

CVE-2025-56520 is a medium-severity server-side request forgery vulnerability in n/a, published on 30 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Dify v1.6.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component controllers.console.remote_files.RemoteFileUploadApi. A different vulnerability than CVE-2025-29720.

Weakness: CWE-918

Which versions are affected by CVE-2025-56520?

It affects 1 product.

Products include Dify Dify.

How do I fix CVE-2025-56520?

No fix has been published for CVE-2025-56520 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-2025-56520 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56520 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-x284-mqwh-m8wm.

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