No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
stix2 has 1.6M monthly downloads and 428 GitHub stars. Version 3.0.2 supports Python 3.10+, first published in 2017.
It is stably maintained under a permissive license, last released in Feb 2026.
It is built on top of pytz, requests and simplejson. It is used by 53 tracked packages, including pycti, mitreattack-python and attackcti.
GitHub topics include stix, stix2 and cyber-threat-intelligence.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
57
Adoption
70
Community
70
Provenance
0
How the maintenance status was determined
Last commit
144 days ago
Monthly downloads
1,568,939
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
1,568,939
Stars
428
Stars per 1k downloads
0.27
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
47,481
Month daily avg
52,298
Momentum
-9.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.10
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
BSD
•
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
144 days ago
Total releases
26
Releases/year
2.8
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
33
Monthly downloads
1,568,939
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
71
Issue Burden
130.8
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
25.8%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
42.2K
macOS
95
Windows
74
Python Versions
3.12
77.0%
31.8K
3.11
12.4%
5.1K
3.14
4.9%
2.0K
3.13
3.2%
1.3K
3.10
2.5%
1.0K
Top Countries
1.
US
40.0K
US
2.
FR
534
FR
3.
NL
419
NL
4.
SE
355
SE
5.
SG
277
SG
6.
DE
169
DE
7.
IN
108
IN
8.
SA
84
SA
9.
IE
78
IE
10.
HK
75
HK
Dependencies
4
- pytz
- requests
- simplejson
- stix2-patterns >=2.1.2
3 optional dependencies
- haversine[semantic]
- rapidfuzz[semantic]
- taxii2-client[taxii]
Used By
53
- pycti
- mitreattack-python
- attackcti
- stix2extensions
- misp-stix
- titan-client
- mwcp
- psengine
- dogesec-commons
- mailaccess
- arango-cve-processor
- phantomsignal
- stix2arango
- python-catalyst
- txt2detection
- pyloobins
- dettectinator
- stix2-generator
- apiosintds
- arango-cti-processor
- iocparser-tool
- hodgepodge
- cccs-yara
- stix2-slider
- seerflow
- decnet
- marketmaker
- grid-stix
- carbon-black-cloud-threat-intelligence-connector
- pystixview
- attack-dashboard
- attack-lookup
- honeydj
- citadel-simulator
- mitre-attackctl
- openstix
- stixorm
- mitre-mcp-server
- qtara
- joint-schema
- threatmon
- mitre-attack
- stix2tabular
- koodousfinder
- iflow-mcp-stoyky-mitre-attack-mcp
- fist
- mcp-taxii
- threatxmanager
- stix2nx
- observed-string-8b1
Package Information
License
BSD
First Release
February 24, 2017
Last Release
4 months ago
Last Commit
4 months ago
Latest Version
3.0.2
Total Releases
26
Contributors
33
Open PRs
11
Archived
No
Author
OASIS Cyber Threat Intelligence Technical Committee
Python Versions
3
3.10
3.11
3.12
3.13
3.14
Wheels
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh