No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
casbin has 2.6M monthly downloads and 2K GitHub stars. Version 1.43.0 supports Python 3.3+, first published in 2019.
It is stably maintained under a permissive license, last released in May 2025.
It is built on top of simpleeval. It is used by 44 tracked packages, including skypilot, casbin-sqlalchemy-adapter and skypilot-nightly.
GitHub topics include casbin, pycasbin and access-control.
Package Insights
Package Risks
- No releases in 267 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
68
Adoption
60
Community
60
Provenance
0
How the maintenance status was determined
Last commit
155 days ago
Monthly downloads
2,557,219
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
2,557,219
Stars
1,746
Stars per 1k downloads
0.68
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
71,165
Month daily avg
85,241
Momentum
-16.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.3
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
422 days ago
Total releases
127
Releases/year
17.0
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
85
Monthly downloads
2,557,219
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
60
Issue Burden
2.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
39.5%
contrib / forks
Stale Release
267d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
31.8K
macOS
67
Windows
46
Python Versions
3.10
65.5%
20.3K
3.12
12.1%
3.7K
3.11
10.1%
3.1K
3.13
7.6%
2.4K
3.14
4.7%
1.5K
Top Countries
1.
US
25.8K
US
2.
ES
1.2K
ES
3.
CA
1.1K
CA
4.
JP
976
JP
5.
DE
564
DE
6.
SE
536
SE
7.
SG
314
SG
8.
FI
293
FI
9.
IE
239
IE
10.
NL
216
NL
Dependencies
1
- simpleeval >=0.9.11
Used By
44
- skypilot
- casbin-sqlalchemy-adapter
- skypilot-nightly
- fastapi-user-auth
- fastapi-authz
- shudaodao
- casbin-redis-watcher
- mdb-engine
- django-authorization
- casbin-async-redis-watcher
- auth-checker
- flask-exts
- casbin-fastapi-decorator
- itsolve
- casbin-motor-adapter
- mcp-factory
- ac-scheduler
- casbin-async-redis-adapter
- henau-auth
- casbin-tortoise-adapter
- django-content-access-control
- krakenci-server
- casbin-couchbase-adapter
- panda-authz
- fate-flow
- skypilot-mithril
- bspider
- fastapi-casbin-acl
- casbin-sqlobject-adapter
- flask-casbin
- casbin-peewee-adapter
- netrun-auth
- capebase
- fastbin
- casbin-etcd-watcher
- myframe
- fastapi-role
- casbin-mongoengine-adapter
- flask-pycasbin
- pycasbin-redis-watcher
- skypilot-kevin
- abs-rbac-core
- itsolve-fastapi-tools
- abl-library
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache 2.0
First Release
January 14, 2019
Last Release
1 year ago
Last Commit
5 months ago
Latest Version
1.43.0
Total Releases
127
Contributors
85
Open PRs
4
Archived
No
Python Versions
3.6
3.7
3.8
3.9
3.10
3.11
3.12
Wheels
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh