MCP NVD Server
About
MCP NVD Server is a Model Context Protocol server that retrieves CVE information from the National Vulnerability Database (NVD). It is built with Python 3.12 and is intended for developers and security professionals who need to query CVE details through an MCP‑compatible client.
Details
- License
- Apache-2.0
Explore
- Retrieves CVE descriptions from the National Vulnerability Database.
- Fetches supporting references for each CVE.
- Supports fetching descriptions in multiple languages (e.g., English, Spanish).
- Uses the MCP protocol for integration with compatible AI/LLM clients.
- Handles NVD rate limiting via an optional API key.
MCP server that retrieves CVE information from the national vulnerability database (NVD).
Installation
Prerequisites
Install the following.
Building
> [!NOTE]
> This project employs uv.
1. Synchronize dependencies and update the lockfile.
uv sync
Debugging
MCP Inspector
Use MCP Inspector.
Launch the MCP Inspector as follows:
npx @modelcontextprotocol/inspector uv --directory /path/to/mcp-nvd run mcp-nvd
Testing
This project employs pytest for testing.
<details>
<summary>pytest results</summary>
============================================================= test session starts =============================================================
platform win32 -- Python 3.12.9, pytest-8.3.5, pluggy-1.5.0
rootdir: D:\Users\ghays\src\mcp-nvd-server
configfile: pyproject.toml
plugins: anyio-4.9.0
collected 4 items
src/mcp_nvd/test_nvd.py::test_fetch_cve
---------------------------------------------------------------- live log call ----------------------------------------------------------------
2025-05-16 15:50:32 [ INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:33 [ INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:33 [ INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad
actors to execute arbitrary code
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:33 [ INFO] Using constructor method to fetch CVE data for CVE-2025-30065 (test_nvd.py:14)
2025-05-16 15:50:33 [ INFO] Description (en) value: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions
allows bad actors to execute arbitrary code
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (test_nvd.py:31)
2025-05-16 15:50:33 [ INFO] Description (es) value: El análisis del esquema en el módulo parquet-avro de Apache Parquet 1.15.0 y versiones anteriores permite que actores maliciosos ejecuten código arbitrario. Se recomienda a los usuarios actualizar a la versión 1.15.1, que soluciona el problema. (test_nvd.py:31)
2025-05-16 15:50:33 [ INFO] Reference check: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:36)
PASSED [ 25%]
src/mcp_nvd/test_nvd.py::test_fetch_cve_no_constructor
---------------------------------------------------------------- live log call ----------------------------------------------------------------
2025-05-16 15:50:33 [ INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:34 [ INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:34 [ INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad
actors to execute arbitrary code
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Using non-constructor method to fetch CVE data for CVE-2025-30065 (test_nvd.py:43)
PASSED [ 50%]
src/mcp_nvd/test_nvd.py::test_fetch_description
---------------------------------------------------------------- live log call ----------------------------------------------------------------
2025-05-16 15:50:34 [ INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:34 [ INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:34 [ INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad
actors to execute arbitrary code
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Description for language 'en': Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad actors to execute arbitrary code
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (test_nvd.py:69)
PASSED [ 75%]
src/mcp_nvd/test_nvd.py::test_fetch_references
---------------------------------------------------------------- live log call ----------------------------------------------------------------
2025-05-16 15:50:34 [ INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:34 [ INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:34 [ INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad
actors to execute arbitrary code
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [ INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: http://www.openwall.com/lists/oss-security/2025/04/01/1 (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: https://access.redhat.com/security/cve/CVE-2025-30065 (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: https://github.com/apache/parquet-java/pull/3169 (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: https://news.ycombinator.com/item?id=43603091 (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: https://www.bleepingcomputer.com/news/security/max-severity-rce-flaw-discovered-in-widely-used-apache-parquet/ (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: https://github.com/h3st4k3r/CVE-2025-30065/blob/main/POC-CVE-2025-30065-ParquetExploitGenerator.java (test_nvd.py:82)
2025-05-16 15:50:34 [ INFO] Reference URL: https://github.com/mouadk/parquet-rce-poc-CVE-2025-30065/blob/main/src/main/java/com/evil/GenerateMaliciousParquetSSRF.java (test_nvd.py:82)
PASSED [100%]
============================================================== 4 passed in 2.74s ==============================================================
</details>
NVD Rate Limiting
How to Add an API Key
- Getting Started - Request an API KeySign in to leave a review
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