Vendor
Fastify vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 38 vulnerabilities in Fastify: 0 in the last 7 days and 11 in the last 90 days, 9 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120214, was published on 2 November 2026. 6 vulnerabilities in the last four weeks, up 500% on the four before (1). 1 critical against 0. 7 technologies have a page of their own.
- Last 7 days
- 0
- Last 90 days
- 11
- Critical, all time
- 9
- Exploited in the wild
- 0
About Fastify
An open-source web framework for Node.js focused on low overhead and plugin architecture.
Fastify technologies
Latest Fastify vulnerabilities
- CVE-2026-120214: @fastify/http-proxy path traversal via percent-encoded backslashmediumCVSS 5.9
- CVE-2026-117531: @fastify/multipart denial of service via malformed uploadmediumCVSS 5.9
- CVE-2026-112712: @fastify/middie path-scoped middleware bypass via scope prefix mismatchcriticalCVSS 9.1
- CVE-2026-110306: fast-uri URI scheme spoofing via percent-encoded schememediumCVSS 6.1EPSS 0.2%
- CVE-2026-110008: @fastify/oauth2 login CSRF via state cookie not cleared after callbackmediumCVSS 4.2
- CVE-2026-110024: @fastify/jwt missing token expiration via options replacementmediumCVSS 6.8
- CVE-2026-19481: @fastify/busboy denial of service via prototype-named multipart headerhighCVSS 7.5EPSS 0.5%
- CVE-2026-75021: fastify-cli remote code execution via ignored Inspector bind addresshighCVSS 8.1EPSS 0.7%
- CVE-2026-85184: @fastify/middie path-scoped middleware bypass via absolute-form requestcriticalCVSS 9.1EPSS 0.5%
- CVE-2026-85124: @fastify/http-proxy path traversal via backslash dot-segmentshighCVSS 7.5EPSS 0.7%
- CVE-2026-74866: @fastify/busboy CRLF injection in multipart headersmediumCVSS 5.8EPSS 0.3%
- CVE-2026-19484: Fastify busboy denial of service via oversized multipart boundaryhighCVSS 7.5EPSS 0.6%
- CVE-2026-15144: Fastify @fastify/rate-limit rate-limit bypass via IPv6 address rotationhighCVSS 7.3
- CVE-2026-18174: Fastify @fastify/forwarded improper input validation in X-Forwarded-For headermediumCVSS 5.3
- CVE-2026-7120: Fastify @fastify/static authorization bypass via non-canonical pathsmediumCVSS 5.3EPSS 0.4%
- CVE-2026-15074: Fastify @fastify/static route guard bypass via path traversalhighCVSS 7.5EPSS 0.7%
- CVE-2026-16117: Fastify @fastify/http-proxy prefix rewrite bypass via URL-encoded characterscriticalCVSS 10
- CVE-2026-16158: Fastify @fastify/reply-from cross-upstream request routing via cache collisionhighCVSS 8.7
- CVE-2026-15631: Fastify @fastify/http-proxy path traversal in WebSocket path resolutionhighCVSS 8.7
- CVE-2026-14198: Fastify @fastify/middie authorization bypass via encoded slash in path parameterscriticalCVSS 9.1
- CVE-2026-6556: Fastify @fastify/express middleware bypass via non-string mount pathscriticalCVSS 9.1
- CVE-2026-7768: Fastify @fastify/accepts-serializer denial of service via unbounded cache growthhighCVSS 7.5EPSS 0.5%
- CVE-2026-6410: Fastify @fastify/static path traversal in directory listingmediumCVSS 5.3EPSS 0.5%
- CVE-2026-6414: Fastify @fastify/static route guard bypass via encoded path separatorsmediumCVSS 5.9EPSS 0.4%
- CVE-2026-33804: Fastify @fastify/middie middleware bypass via duplicate slasheshighCVSS 7.4EPSS 0.5%
Most severe Fastify vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-16117: Fastify @fastify/http-proxy prefix rewrite bypass via URL-encoded characterscriticalCVSS 10
- CVE-2026-6270: Fastify @fastify/middie authentication bypass in child plugin scopescriticalCVSS 9.1EPSS 0.6%
- CVE-2026-33808: Fastify @fastify/express auth bypass via URL normalization gapscriticalCVSS 9.1EPSS 0.5%
- CVE-2026-33807: Fastify @fastify/express middleware bypass in child plugin scopescriticalCVSS 9.1EPSS 0.5%
- CVE-2026-85184: @fastify/middie path-scoped middleware bypass via absolute-form requestcriticalCVSS 9.1EPSS 0.5%
- CVE-2026-2880: Fastify @fastify/middie auth bypass via improper path normalizationcriticalCVSS 9.1EPSS 0.5%
- CVE-2026-112712: @fastify/middie path-scoped middleware bypass via scope prefix mismatchcriticalCVSS 9.1
- CVE-2026-14198: Fastify @fastify/middie authorization bypass via encoded slash in path parameterscriticalCVSS 9.1
- CVE-2026-6556: Fastify @fastify/express middleware bypass via non-string mount pathscriticalCVSS 9.1
- CVE-2026-16158: Fastify @fastify/reply-from cross-upstream request routing via cache collisionhighCVSS 8.7
Vulnerabilities per week
6 vulnerabilities in the last four weeks, up 500% on the four before (1). 1 critical against 0. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 1 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 2 | 1 | |
| 7 Sep 2026 | 1 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 1 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 1 | 0 | |
| 19 Oct 2026 | 3 | 1 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 2 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many Fastify vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/vendors/fastify)<a href="https://junglewise.ai/threats/vendors/fastify"><img src="https://junglewise.ai/threats/vendors/fastify/badge.svg" alt="Fastify vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/vendors/fastify.json, and this page as text at https://junglewise.ai/threats/vendors/fastify.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Fastify vulnerabilities", https://junglewise.ai/threats/vendors/fastify, 12 November 2026.