medium6.5
CVE-2025-5273
Markdownify MCP Server allows attackers to read arbitrary files
Impact
All versions of the package mcp-markdownify-server 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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | mcp-markdownify-server | <= 0.0.1 | none recorded |
Affected products
| Product | Affected versions |
|---|---|
| Package Mcp-Markdownify-Server | before 1.0.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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://github.com/advisories/GHSA-22v8-p7h2-rj7p
- https://nvd.nist.gov/vuln/detail/CVE-2025-5273
- https://github.com/zcaceres/markdownify-mcp/blob/3667bd4765c0e49684ce22df268d02dd478a7f3b/src/Markdownify.ts#L94