What’s Vulnerable › Vulnerabilities

CVE-2025-5273

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-29 · updated 2026-07-16
• Weakness: CWE-552

Description

Versions of the package mcp-markdownify-server before 1.0.0 are vulnerable to Files or Directories Accessible to External Parties via the get-markdown-file tool. An attacker can craft a prompt that, once accessed by the MCP host, will allow it to read arbitrary files from the host running the server.

Affected products

• mcp-markdownify-server: before 1.0.0 — fixed in 1.0.0

How to fix

Upgrade to a fixed version: mcp-markdownify-server 1.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/zcaceres/markdownify-mcp/blob/3667bd4765c0e49684ce22df268d02dd478a7f3b/src/Markdownify.ts%23L94
• https://github.com/zcaceres/markdownify-mcp/commit/3a6b202d088ef7acb8be84bc09515f41a2b1a9df
• https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249193
• https://security.snyk.io/vuln/SNYK-JS-MCPMARKDOWNIFYSERVER-10249193

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