Is core-js safe to use?

core-js has no known vulnerabilities on the latest version (3.49.0). DepScope rates its health at 95/100 (low risk).

What is the latest version of core-js?

The latest version of core-js is 3.49.0, released 2026-03-16.

Does core-js have known vulnerabilities?

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

Is core-js deprecated?

No, core-js is actively maintained. Latest release: 3.49.0 (2026-03-16).

What are alternatives to core-js?

Popular alternatives to core-js in npm include: ?, semver, minimatch, debug, brace-expansion.

core-js

npmv3.49.0

Standard library

License MITpermissive288 versions1 maintainers0 deps64,321,429 weekly dl

zloirock/core-js

/ 100

Health

safe to use

[email protected] is safe to use (health: 95/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

10/15

community

0/15

popularity_floor

Vulnerabilities

Bundle & TypeScript

📦

Bundle Size

259.2 KBminified

86.2 KB gzipped

0 direct dependencies

side effects

🌟

TypeScript

7/10typed

Types from @types/core-js (DefinitelyTyped)

Quality signals

OSS Criticality

0.76critical

Download trend

stable(+2%)

Publish security

npm signed

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

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