Is cython safe to use?

cython has no known vulnerabilities on the latest version (3.3.0). DepScope rates its health at 87/100 (low risk).

What is the latest version of cython?

The latest version of cython is 3.3.0, released 2026-08-22.

Does cython have known vulnerabilities?

No known vulnerabilities on the latest version of cython.

Is cython deprecated?

No, cython is actively maintained. Latest release: 3.3.0 (2026-08-22).

What are alternatives to cython?

Popular alternatives to cython in PyPI include: urllib3, cffi, pydantic-core, pydantic_core, pandas.

What license does cython use?

cython is licensed under Apache-2.0.

cython

pypiv3.3.0

The Cython compiler for writing C extensions in the Python language.

License Apache-2.0permissive157 versions1 maintainers0 deps20,965,224 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 87/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

2/15

community

0/15

popularity_floor

Vulnerabilities

none known

Quality signals

Download trend

stable(0%)

Publish security

API token

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/cython

cython

pypiv3.3.0

The Cython compiler for writing C extensions in the Python language.

License Apache-2.0permissive157 versions1 maintainers0 deps20,965,224 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 87/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

2/15

community

0/15

popularity_floor

Vulnerabilities

none known

Quality signals

Download trend

stable(0%)

Publish security

API token

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/cython