OSS Support Hub / Web Framework

Node.js Web Framework MIT Latest: v6.0.0-alpha.5

Fastify

Fast and low overhead web framework for Node.js

Project Health at a Glance

Live data from GitHub and npm, updated daily.

⭐
37.3K+90
GitHub Stars
📦
v6.0.0-alpha.5
Latest Release · 6 days ago
🔄
7d
Avg. Release Cadence
🐛
173
Open Issues
📅
Today
Last Commit
⬇️
9.3M
Weekly Downloads
🔒
10
Active CVEs

Data last fetched: 2026-10-22

Known Vulnerabilities

10 active CVEs reported via OSV.dev

Fastify has a Body Schema Validation Bypass via Leading Space in Content-Type Header

Published: 2026-04-15 Fixed in: 5.8.5

Fastify: Incorrect Content-Type parsing can lead to CSRF attack

Published: 2022-11-21 Fixed in: 4.10.2

fastify vulnerable to X-Forwarded-* spoofing under trustProxy hop-count

Published: 2026-09-02 Fixed in: 5.12.1

fastify: request.protocol and request.host Spoofable via X-Forwarded-Proto/Host from Untrusted Connections

Published: 2026-03-25 Fixed in: 5.8.3

fastify vulnerable to denial of service via malicious Content-Type

Published: 2022-10-11 Fixed in: 4.8.1

fastify vulnerable to Denial of Service via unhandled exception on HTTP/2 trailer responses

Published: 2026-09-30 Fixed in: 5.12.5

Fastify's Missing End Anchor in "subtypeNameReg" Allows Malformed Content-Types to Pass Validation

Published: 2026-03-05 Fixed in: 5.8.1

fastify vulnerable to request body replacement via an async validation result collision

Published: 2026-09-30 Fixed in: 5.12.2

fastify vulnerable to header validation bypass via incomplete schema case normalization

Published: 2026-09-30 Fixed in: 5.12.2

fastify vulnerable to request validation bypass via skipped boolean false schemas

Published: 2026-09-30 Fixed in: 5.12.2

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Support Options for Fastify

Commercial Support from DepKeep

Get SLA-backed support, security patches, and direct access to senior engineers for Fastify — without relying on volunteer maintainers.