Is js-yaml safe to use?

js-yaml has no known vulnerabilities on the latest version (4.1.1). DepScope rates its health at 77/100 (moderate risk).

What is the latest version of js-yaml?

The latest version of js-yaml is 4.1.1, released 2025-11-12.

Does js-yaml have known vulnerabilities?

No known vulnerabilities on the latest version of js-yaml.

Is js-yaml deprecated?

No, js-yaml is actively maintained. Latest release: 4.1.1 (2025-11-12).

What are alternatives to js-yaml?

Popular alternatives to js-yaml in npm include: semver, ansi-styles, debug, minimatch, brace-expansion.

js-yaml

npmv4.1.1

YAML 1.2 parser and serializer

License MITpermissive74 versions1 maintainers1 deps221,056,194 weekly dl

nodeca/js-yaml

/ 100

Health

safe to use

[email protected] is safe to use (health: 77/100)

Health breakdown0 – 100

15/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

2/15

community

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

37.6 KBminified

12.4 KB gzipped

1 direct dependencies

ESMside effects

🌟

TypeScript

7/10typed

Types from @types/js-yaml (DefinitelyTyped)

OSS Scorecard

OpenSSF security posture score

3.9/10

weak

Maintainer trust

Active maintainers (3m)

1

Contributors (12m)

2

Primary author dominance

83%

GitHub stars

6,563

single active maintainer 3m

Quality signals

OSS Criticality

0.78critical

Download trend

stable(+1.7%)

Publish security

npm signed

Health History

Dependency Tree

License Audit

Dependencies (1)

argparse

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/js-yaml