# Fastify Http-Proxy vulnerabilities Source: https://junglewise.ai/threats/technologies/http-proxy Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/http-proxy.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in Fastify Http-Proxy: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120214, was published on 2 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 2 - All time: 7 (1 critical, 0 exploited in the wild) ## About Fastify Http-Proxy Fastify plugin that proxies HTTP requests to backend servers. ## Latest Fastify Http-Proxy vulnerabilities - [CVE-2026-120214: @fastify/http-proxy path traversal via percent-encoded backslash](https://junglewise.ai/threats/cve-2026-120214-fastify-http-proxy-is-a-fastify-plugin-that-proxies-http) (medium, CVSS 5.9, published 2 Nov 2026) - [CVE-2026-85124: @fastify/http-proxy path traversal via backslash dot-segments](https://junglewise.ai/threats/cve-2026-85124-fastify-http-proxy-path-traversal-via-backslash-dot-segments) (high, CVSS 7.5, published 3 Sep 2026) - [CVE-2026-16117: Fastify @fastify/http-proxy prefix rewrite bypass via URL-encoded characters](https://junglewise.ai/threats/cve-2026-16117-fastify-fastify-http-proxy-prefix-rewrite-bypass-via-url-encoded) (critical, CVSS 10, published 18 Jul 2026) - [CVE-2026-15631: Fastify @fastify/http-proxy path traversal in WebSocket path resolution](https://junglewise.ai/threats/cve-2026-15631-fastify-fastify-http-proxy-path-traversal-in-websocket-path) (high, CVSS 8.7, published 18 Jul 2026) - [CVE-2026-33805: Fastify proxy components header stripping via Connection header abuse](https://junglewise.ai/threats/cve-2026-33805-fastify-proxy-components-header-stripping-via-connection-header) (high, CVSS 8.6, published 15 Apr 2026) - [http-proxy denial of service in request handling](https://junglewise.ai/threats/http-proxy-denial-of-service-in-request-handling-8ddbad37) (low, CVSS 3.1, published 4 Sep 2020) - [CVE-2017-16014: http-proxy denial of service via insufficient error handling](https://junglewise.ai/threats/cve-2017-16014-http-proxy-denial-of-service-via-insufficient-error-handling) (low, CVSS 3.1, published 9 Nov 2018) ## Most severe Fastify Http-Proxy vulnerabilities - [CVE-2026-16117: Fastify @fastify/http-proxy prefix rewrite bypass via URL-encoded characters](https://junglewise.ai/threats/cve-2026-16117-fastify-fastify-http-proxy-prefix-rewrite-bypass-via-url-encoded) (critical, CVSS 10, published 18 Jul 2026) - [CVE-2026-15631: Fastify @fastify/http-proxy path traversal in WebSocket path resolution](https://junglewise.ai/threats/cve-2026-15631-fastify-fastify-http-proxy-path-traversal-in-websocket-path) (high, CVSS 8.7, published 18 Jul 2026) - [CVE-2026-33805: Fastify proxy components header stripping via Connection header abuse](https://junglewise.ai/threats/cve-2026-33805-fastify-proxy-components-header-stripping-via-connection-header) (high, CVSS 8.6, published 15 Apr 2026) - [CVE-2026-85124: @fastify/http-proxy path traversal via backslash dot-segments](https://junglewise.ai/threats/cve-2026-85124-fastify-http-proxy-path-traversal-via-backslash-dot-segments) (high, CVSS 7.5, published 3 Sep 2026) - [CVE-2026-120214: @fastify/http-proxy path traversal via percent-encoded backslash](https://junglewise.ai/threats/cve-2026-120214-fastify-http-proxy-is-a-fastify-plugin-that-proxies-http) (medium, CVSS 5.9, published 2 Nov 2026) - [CVE-2017-16014: http-proxy denial of service via insufficient error handling](https://junglewise.ai/threats/cve-2017-16014-http-proxy-denial-of-service-via-insufficient-error-handling) (low, CVSS 3.1, published 9 Nov 2018) - [http-proxy denial of service in request handling](https://junglewise.ai/threats/http-proxy-denial-of-service-in-request-handling-8ddbad37) (low, CVSS 3.1, published 4 Sep 2020) ## Vulnerabilities per week 1 vulnerability in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 1 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 1 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Fastify technologies - [Fastify-Express](https://junglewise.ai/threats/technologies/express): 9 vulnerabilities - [Fastify Middie](https://junglewise.ai/threats/technologies/middie): 7 vulnerabilities - [Fastify Multipart](https://junglewise.ai/threats/technologies/multipart): 4 vulnerabilities - [Fastify Reply-From](https://junglewise.ai/threats/technologies/reply-from): 4 vulnerabilities - [Fastify-Static](https://junglewise.ai/threats/technologies/static): 4 vulnerabilities - [Fastify Busboy](https://junglewise.ai/threats/technologies/busboy): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Fastify Http-Proxy vulnerabilities", https://junglewise.ai/threats/technologies/http-proxy, 10 November 2026.