Is Marshmallow safe to use?

Marshmallow has no known vulnerabilities on the latest version (4.3.0). DepScope rates its health at 70/100 (moderate 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: boto3, packaging, urllib3, certifi, idna.

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 deps

marshmallow-code/marshmallow

/ 100

Health

safe to use

[email protected] is safe to use (health: 70/100)

Health breakdown0 – 100

25/25

maintenance

0/20

popularity

25/25

security

15/15

maturity

5/15

community

Vulnerabilities

none known

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 deps

marshmallow-code/marshmallow

/ 100

Health

safe to use

[email protected] is safe to use (health: 70/100)

Health breakdown0 – 100

25/25

maintenance

0/20

popularity

25/25

security

15/15

maturity

5/15

community

Vulnerabilities

none known

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