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CycloneDX Bill of Materials Specification (ECMA-424)
OWASP CycloneDX is a full-stack Bill of Materials (BOM) standard that provides advanced supply chain capabilities for cyber risk reduction. CycloneDX is an Ecma International standard published as ECMA-424. The OWASP Foundation and Ecma International Technical Committee for Software & System Transparency (TC54) drive the continued advancement of the specification.
The specification supports:
- Software Bill of Materials (SBOM)
- Software-as-a-Service Bill of Materials (SaaSBOM)
- Hardware Bill of Materials (HBOM)
- Machine Learning Bill of Materials (ML-BOM)
- Cryptography Bill of Materials (CBOM)
- Manufacturing Bill of Materials (MBOM)
- Operations Bill of Materials (OBOM)
- Vulnerability Disclosure Reports (VDR)
- Vulnerability Exploitability eXchange (VEX)
- CycloneDX Attestations (CDXA)
A Note on the Standard and Schemas
CycloneDX is an Ecma International standard published as ECMA-424 under a royalty-free patent policy. The CycloneDX schemas in this repository are the official interpretations of the standard and are available under the Apache 2.0 license. The JSON Schema is the reference implementation for the standard.
Use Cases
The CycloneDX project maintains a list of achievable use cases. Examples for each use case are provided in both XML and JSON.
Tool Center
The CycloneDX Tool Center is a community effort to establish a marketplace of free, open source, and proprietary tools and solutions that support the CycloneDX specification.
Media Types
The following media types are officially registered with IANA:
| Media Type | Format | Assignment |
|---|---|---|
| application/vnd.cyclonedx+xml | XML | IANA |
| application/vnd.cyclonedx+json | JSON | IANA |
Specific versions of CycloneDX can be specified by using the version parameter. For example: application/vnd.cyclonedx+xml; version=1.6.
The officially supported media type for Protocol Buffer format is application/x.vnd.cyclonedx+protobuf.
Release History
| Version | Release Date |
|---|---|
| CycloneDX 1.6 | 09 April 2024 |
| CycloneDX 1.5 | 26 June 2023 |
| CycloneDX 1.4 | 12 January 2022 |
| CycloneDX 1.3 | 04 May 2021 |
| CycloneDX 1.2 | 26 May 2020 |
| CycloneDX 1.1 | 03 March 2019 |
| CycloneDX 1.0 | 26 March 2018 |
| Initial Prototype | 01 May 2017 |
Copyright & License
CycloneDX Specification is Copyright (c) OWASP Foundation. All Rights Reserved.
Permission to modify and redistribute is granted under the terms of the Apache License 2.0