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OpenVulnAPI

Documentation and Tools for Cisco's PSIRT openVuln API

From CiscoPSIRT·Updated June 11, 2026·View on GitHub·

The [Cisco PSIRT openVuln API](https://developer.cisco.com/psirt/) is a RESTful API that allows customers to obtain Cisco security vulnerability information in different machine-consumable formats. It supports industrywide security standards such as: * OASIS Common Security Advisory Framework (CSAF) * Common Vulnerability and Exposure (CVE) identifiers * Common Weakness Enumerator (CWE) * Common Vulnerability Scoring System (CVSS) The project is written primarily in Ruby, distributed under the Other license, first published in 2015. Key topics include: advisories, api, api-client, cisco, openvuln.

Cisco PSIRT openVuln API

Overview

The Cisco PSIRT openVuln API is a RESTful API that allows customers to obtain Cisco security vulnerability information in different machine-consumable formats. It supports industrywide security standards such as:

  • OASIS Common Security Advisory Framework (CSAF)
  • Common Vulnerability and Exposure (CVE) identifiers
  • Common Weakness Enumerator (CWE)
  • Common Vulnerability Scoring System (CVSS)

NOTE: CSAF is a specification for structured machine-readable vulnerability-related advisories and further refine those standards over time.

API Documentation

Please refer to the openVuln API documentation and learn how to access it at:
https://developer.cisco.com/psirt

NOTE: The openVuln API is open to registered Cisco customers and partners.

Community-Supported Python-based Client : openVulnQuery

The open-source community-supported Python-based API client (openVulnQuery) can be obtained from: https://github.com/CiscoPSIRT/openVulnQuery

Contributors

Showing top 12 contributors by commit count.

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This article is auto-generated from CiscoPSIRT/openVulnAPI via the GitHub API.Last fetched: 6/27/2026