CVE-2025-5276

All versions of the package mcp-markdownify-server are vulnerable to Server-Side Request Forgery (SSRF) via the Markdownify.get() function. An attacker can craft a prompt that, once accessed by the MCP host, can invoke the webpage-to-markdown, bing-search-to-markdown, and youtube-to-markdown tools to issue requests and read the responses to attacker-controlled URLs, potentially leaking sensitive information.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/zcaceres/markdownify-mcp/blob/224cf89f0d58616d2a5522f60f184e8391d1c9e3/src/server.ts%23L20C17-L20C29
https://github.com/zcaceres/markdownify-mcp/commit/0284aa8f34d32c65e20d8cda2d429b7943c9af03
https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249387
https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249387

Configurations

No configuration.

History

29 May 2025, 14:15

Type	Values Removed	Values Added
References	~~() https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249387 -~~	() https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249387 -

29 May 2025, 05:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-29 05:15

Updated : 2025-05-29 14:29

NVD link : CVE-2025-5276

Mitre link : CVE-2025-5276

CVE.ORG link : CVE-2025-5276

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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