Is Marshmallow safe to use?

Marshmallow has no known vulnerabilities on the latest version (4.3.0). DepScope rates its health at 90/100 (low risk).

What is the latest version of Marshmallow?

The latest version of Marshmallow is 4.3.0, released 2026-04-03.

Does Marshmallow have known vulnerabilities?

No known vulnerabilities on the latest version of Marshmallow.

Is Marshmallow deprecated?

No, Marshmallow is actively maintained. Latest release: 4.3.0 (2026-04-03).

What are alternatives to Marshmallow?

Popular alternatives to Marshmallow in PyPI include: botocore, pygments, python-dotenv, boto3, pyjwt.

What license does Marshmallow use?

Marshmallow is licensed under MIT.

Marshmallow

pypiv4.3.0

A lightweight library for converting complex datatypes to and from native Python datatypes.

License MITpermissive200 versions2 deps28,508,595 weekly dl

marshmallow-code/marshmallow

/ 100

Health

safe to use

[email protected] is safe to use (health: 90/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

5/15

community

0/15

popularity_floor

Vulnerabilities

none known

Maintainer trust

Active maintainers (3m)

12

Contributors (12m)

16

Primary author dominance

27%

GitHub stars

7,228

Quality signals

OSS Criticality

0.49medium

Download trend

stable(+2.8%)

Publish security

API token

Health History

Dependency Tree

License Audit

Dependencies (2)

backports-datetime-fromisoformat;typing-extensions;

API access

Get this data programmatically — free, no authentication.

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

Marshmallow

pypiv4.3.0

A lightweight library for converting complex datatypes to and from native Python datatypes.

License MITpermissive200 versions2 deps28,508,595 weekly dl

marshmallow-code/marshmallow

/ 100

Health

safe to use

[email protected] is safe to use (health: 90/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

5/15

community

0/15

popularity_floor

Vulnerabilities

none known

Maintainer trust

Active maintainers (3m)

12

Contributors (12m)

16

Primary author dominance

27%

GitHub stars

7,228

Quality signals

OSS Criticality

0.49medium

Download trend

stable(+2.8%)

Publish security

API token

Health History

Dependency Tree

License Audit

Dependencies (2)

backports-datetime-fromisoformat;typing-extensions;

API access

Get this data programmatically — free, no authentication.

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