Is fastify safe to use?

fastify has no known vulnerabilities on the latest version (5.12.1). DepScope rates its health at 98/100 (low risk).

What is the latest version of fastify?

The latest version of fastify is 5.12.1, released 2026-08-18.

Does fastify have known vulnerabilities?

No known vulnerabilities on the latest version of fastify.

Is fastify deprecated?

No, fastify is actively maintained. Latest release: 5.12.1 (2026-08-18).

What are alternatives to fastify?

Popular alternatives to fastify in npm include: ?, semver, minimatch, ansi-styles, brace-expansion.

fastify

npmv5.12.1

Fast and low overhead web framework, for Node.js

License MITpermissive325 versions6 maintainers15 deps12,594,645 weekly dl

fastify/fastify

/ 100

Health

safe to use

[email protected] is safe to use (health: 98/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

13/15

community

0/15

popularity_floor

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

492.5 KBminified

136.9 KB gzipped

15 direct dependencies

side effects

🌟

TypeScript

10/10typed

bundled

Quality signals

OSS Criticality

0.84critical

Publish security

npm signed

Health History

Dependency Tree

License Audit

Dependencies (15)

pino rfdc avvio semver toad-cache find-my-way @fastify/error process-warning abstract-logging light-my-request secure-json-parse @fastify/proxy-addr fast-json-stringify @fastify/ajv-compiler @fastify/fast-json-stringify-compiler

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/fastify

fastify

npmv5.12.1

Fast and low overhead web framework, for Node.js

License MITpermissive325 versions6 maintainers15 deps12,594,645 weekly dl

fastify/fastify

/ 100

Health

safe to use

[email protected] is safe to use (health: 98/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

13/15

community

0/15

popularity_floor

Vulnerabilities

none known

Bundle & TypeScript

📦

Bundle Size

492.5 KBminified

136.9 KB gzipped

15 direct dependencies

side effects

🌟

TypeScript

10/10typed

bundled

Quality signals

OSS Criticality

0.84critical

Publish security

npm signed

Health History

Dependency Tree

License Audit

Dependencies (15)

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/npm/fastify