CVE-2025-65512 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://github.com/Team-Off-course/MCP-Server-Vuln-Analysis/blob/main/CVE-2025-65512.md
https://thorn-pheasant-6d8.notion.site/markdownify-mcp-Report-2a03daf7b44180908ff4eea0c2915763

History

Thu, 11 Dec 2025 21:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-918
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 10 Dec 2025 20:30:00 +0000

Type	Values Removed	Values Added
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.
References		https://github.com/Team-Off-course/MCP-Server-Vuln-Analysis/blob/main/CVE-2025-65512.md https://thorn-pheasant-6d8.notion.site/markdownify-mcp-Report-2a03daf7b44180908ff4eea0c2915763

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-12-10T00:00:00.000Z

Updated: 2025-12-11T20:36:15.697Z

Reserved: 2025-11-18T00:00:00.000Z

Link: CVE-2025-65512

Vulnrichment

Updated: 2025-12-11T20:22:10.580Z

NVD

Status : Awaiting Analysis

Published: 2025-12-10T21:16:07.163

Modified: 2025-12-12T15:18:13.390

Link: CVE-2025-65512

Redhat

No data.

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