CVE-2025-65512 Server-side request forgery in n/a

High 7.5 Published Updated

An attacker can bypass IP restrictions to access internal network services via SSRF in the markdownify-mcp library's webpage-to-markdown feature.

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-2025-65512?

CVE-2025-65512 is a high-severity server-side request forgery vulnerability in n/a, published on 10 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Server-Side Request Forgery (SSRF) vulnerability was discovered in the webpage-to-markdown conversion feature of markdownify-mcp v0.0.2 and before. This vulnerability allows an attacker to bypass private IP restrictions through hostname-based bypass and HTTP redirect chains, enabling access to internal network services.

Weakness: CWE-918

Which versions are affected by CVE-2025-65512?

It affects 1 product.

Products include Zcaceres Markdownify Mcp Server.

How do I fix CVE-2025-65512?

No fix has been published for CVE-2025-65512 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-2025-65512 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65512 exists.

Sources

Also known as GHSA-pfj3-mmxr-4rjh.

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