NVD (National Vulnerability Database)
FreeNot checkedProvides direct access to the National Vulnerability Database (NVD) for retrieving detailed CVE information including descriptions, severity ratings, publicatio
About
Provides direct access to the National Vulnerability Database (NVD) for retrieving detailed CVE information including descriptions, severity ratings, publication dates, and references by ID.
README
MCP server that retrieves CVE information from the national vulnerability database (NVD).
Installation
Prerequisites
Install the following.
Building
[!NOTE] This project employs
uv.
- 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.
pytest results
============================================================= 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 ==============================================================
NVD Rate Limiting
How to Add an API Key
Installing NVD (National Vulnerability Database)
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/gkhays/mcp-nvd-serverFAQ
Is NVD (National Vulnerability Database) MCP free?
Yes, NVD (National Vulnerability Database) MCP is free — one-click install via Unyly at no cost.
Does NVD (National Vulnerability Database) need an API key?
No, NVD (National Vulnerability Database) runs without API keys or environment variables.
Is NVD (National Vulnerability Database) hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install NVD (National Vulnerability Database) in Claude Desktop, Claude Code or Cursor?
Open NVD (National Vulnerability Database) on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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