PyRank
RedHatProductSecurity

cvss

CVSS2/3/4 library with interactive calculator for Python 2 and Python 3
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

cvss has 1.7M monthly downloads and 125 GitHub stars. Version 3.6, first published in 2016.

It is minimally maintained under a copyleft license, last released in Aug 2025.

It is used by 49 tracked packages, including uv-secure, scfw and cve-bin-tool.

Downloads
Day
47.4K
Week
386.2K
Month
1.7M
Stars
125
Forks
34
Issues
15
Version
3.6

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
50
Popularity
44
Adoption
70
Community
60
Provenance
0
How the maintenance status was determined
Last commit
336 days ago
Monthly downloads
1,748,678
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
1,748,678
Stars
125
Stars per 1k downloads
0.07
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
55,165
Month daily avg
58,289
Momentum
-5.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
LGPLv3+
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
336 days ago
Total releases
25
Releases/year
2.4
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
27
Monthly downloads
1,748,678
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
56
 
Issue Burden
120.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
79.4%
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 31.1K
Windows 245
macOS 145

Python Versions

3.11
38.3% 11.8K
3.12
26.4% 8.1K
3.13
21.0% 6.5K
3.14
11.0% 3.4K
3.10
3.3% 1.0K

Top Countries

1. US US
28.6K
2. SG SG
801
3. BE BE
368
4. DE DE
343
5. IE IE
166
6. BR BR
150
7. IN IN
109
8. HK HK
101
9. CN CN
96
10. NL NL
76

Package Information

License
LGPLv3+
First Release
February 15, 2016
Last Release
11 months ago
Last Commit
11 months ago
Latest Version
3.6
Total Releases
25
Contributors
27
Open PRs
1
Archived
No
Author
Stanislav Kontar, Red Hat Product Security
Python Versions
3 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13
Wheels
py2 py3
Keywords
security cvss score calculator
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links