Known Vulnerability
The current version has a known security vulnerability. Review the advisory and consider upgrading.
Security Vulnerability
High
GHSA-hvh4-5qr6-3v7r
Observable Timing Discrepancy in pypqc
Source: osv.dev · Flagged: 3 weeks ago
Monthly downloads
1.2K
Weekly downloads
156
GitHub stars
2
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
Not specified
Licence
Unknown
Last Release
2 years ago
First Release
December 21, 2023
Total Releases
18
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
30
Popularity
11
Adoption
30
Community
70
Provenance
0
How the maintenance status was determined
Last commit
843 days ago
Monthly downloads
1,226
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
1,226
Stars
2
Stars per 1k downloads
1.63
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
22
Month daily avg
41
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
More insights and metrics
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 or older (or Python 2)
•
Unknown
No requires_python specified or unparseable
Package does not declare a minimum Python version.
License categories
License
Not specified
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
Package does not declare a license.
How the release cadence was determined
Last release
980 days ago
Total releases
18
Releases/year
6.4
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
25
Monthly downloads
1,226
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
30
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
1250.0%
contrib / forks
Stale Release
136d
PR Velocity
Quiet
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
11
Python Versions
3.12
100.0%
11
Top Countries
1.
US
19
US
2.
BE
3
BE
3.
DE
3
DE
4.
PT
3
PT
5.
CN
1
CN
6.
GB
1
GB
7.
GR
1
GR
8.
NZ
1
NZ
Weekly Downloads
GitHub Stars
Dependencies
1
-
cffi
>=1.0.0
platform_python_implementation != "PyPy"
Used By
2
- pqbit 120/mo
- quantumguard 80/mo
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh