CVE-2025-5276 – MCP Markdownify Server SSRF

CVE ID : CVE-2025-5276

Published : May 29, 2025, 5:15 a.m. | 30 minutes ago

Description : 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.

Severity: 7.4 | HIGH

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