No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
cyclonedx-python-lib has 29.8M monthly downloads and 113 GitHub stars. Version 11.11.0 supports Python <4.0,>=3.9, first published in 2021.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of license-expression, packageurl-python and py-serializable. It is used by 64 tracked packages, including pip-audit, checkov and cyclonedx-bom.
GitHub topics include owasp, bom and spdx.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
47
Adoption
70
Community
80
Provenance
100
How the maintenance status was determined
Last commit
19 days ago
Monthly downloads
29,809,246
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
29,809,246
Stars
113
Stars per 1k downloads
0.00
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
985,724
Month daily avg
993,642
Momentum
-0.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
<4.0,>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache-2.0
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
19 days ago
Total releases
161
Releases/year
33.4
•
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
41
Monthly downloads
29,809,246
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
84
Issue Burden
292.0
per 1k stars
Discussions
106.2
per 1k stars
Fork Ratio
61.2%
contrib / forks
Stale Release
No
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
697.1K
Windows
8.5K
macOS
7.3K
Python Versions
3.12
43.2%
303.3K
3.11
24.5%
171.8K
3.13
21.4%
150.4K
3.14
8.8%
61.6K
3.10
2.1%
14.4K
Top Countries
1.
US
561.2K
US
2.
DE
51.2K
DE
3.
FI
36.6K
FI
4.
NL
11.7K
NL
5.
JP
8.7K
JP
6.
GB
6.3K
GB
7.
AU
6.1K
AU
8.
FR
3.9K
FR
9.
IE
3.1K
IE
10.
IN
3.1K
IN
Dependencies
5
- license-expression <31,>=30
- packageurl-python <2,>=0.11
- py-serializable <3.0.0,>=2.1.0
- sortedcontainers <3.0.0,>=2.4.0
- typing-extensions <5.0,>=4.6
3 optional dependencies
- jsonschema[validation]
- lxml[validation]
- referencing[validation]
Used By
64
- pip-audit
- checkov
- cyclonedx-bom
- jake
- scanoss
- cisco-aibom
- modelaudit
- agent-bom
- fosslight-util
- fluid-labels
- xyz-strata
- cyclonedx-editor-validator
- aisbom-cli
- imbi-api
- quirk-scanner
- odg-core-libs
- s1-shift-left-cli
- dfetch
- capycli
- scancodeio
- ossbom
- cyclonedx-buildroot
- ts-scan
- siemens-standard-bom
- surfactant
- mobster
- veritensor
- finite-state-sdk
- otupy
- ossprey
- pypi-tea
- venturalitica
- choppr
- fluid-sbom
- vilocify-sdk
- skillfortify
- ai-infrastructure-artifacts-repo
- vexy
- pacli-tool
- pqcheck
- sbomify-action
- ludvig
- idp-pip-audit
- it-depends
- cra-scanner
- sbomgrader
- cryptohound
- dt-sbom-scanner
- s1-cns-cli
- coreason-auditor
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache-2.0
First Release
September 8, 2021
Last Release
2 weeks ago
Last Commit
2 weeks ago
Latest Version
11.11.0
Total Releases
161
Contributors
41
Open PRs
26
Archived
No
Author
Paul Horton
Python Versions
3
3.9
3.10
3.11
3.12
3.13
3.14
Wheels
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh