Directory Traversal

Overview @fastify/http-proxy is a proxy http requests, for Fastify Affected versions of this package are vulnerable to Directory Traversal via the WebSocket routing. An attacker can access unintended upstream endpoints by sending crafted WebSocket upgrade requests containing path traversal...

CVE-2026-16117 @fastify/http-proxy vulnerable to prefix escape via URL-encoded characters

Impact: @fastify/http-proxy versions up to and including 11.5.0 fail to rewrite the request prefix when the prefix segment is URL-encoded. Fastify's router URL-decodes paths for route matching, but request.url retains the original encoded form, and the prefix-rewrite step uses a literal string...

CVE-2026-15631 @fastify/http-proxy vulnerable to prefix escape via WebSocket path traversal

Impact: @fastify/http-proxy versions from 9.4.0 up to and including 11.5.0 fail to validate the resolved WebSocket destination path against the configured rewrite prefix. The WebSocket routing path in WebSocketProxy.findUpstream resolves the destination via the WHATWG URL constructor, which...

EUVD-2026-45375

Impact: @fastify/http-proxy versions from 9.4.0 up to and including 11.5.0 fail to validate the resolved WebSocket destination path against the configured rewrite prefix. The WebSocket routing path in WebSocketProxy.findUpstream resolves the destination via the WHATWG URL constructor, which...

PT-2026-60960

Name of the Vulnerable Software and Affected Versions @fastify/http-proxy versions 9.4.0 through 11.5.0 Description WebSocket destination paths are not properly validated against the configured rewrite prefix. The WebSocketProxy.findUpstream function resolves destinations using the WHATWG URL...

PT-2026-60961

Name of the Vulnerable Software and Affected Versions @fastify/http-proxy versions prior to 11.6.0 Description An improper input normalization issue exists where the software fails to rewrite the request prefix when the prefix segment is URL-encoded. While the router URL-decodes paths for route...

CVE-2026-33805

@fastify/reply-from v12.6.1 and earlier and @fastify/http-proxy v11.4.3 and earlier process the client's Connection header after the proxy has added its own headers via rewriteRequestHeaders. This allows attackers to retroactively strip proxy-added headers from upstream requests by listing them i...

CVE-2026-33805 @fastify/reply-from vulnerable to connection header abuse enabling stripping of proxy-added headers

@fastify/reply-from v12.6.1 and earlier and @fastify/http-proxy v11.4.3 and earlier process the client's Connection header after the proxy has added its own headers via rewriteRequestHeaders. This allows attackers to retroactively strip proxy-added headers from upstream requests by listing them i...

CVE-2026-33805

CVE-2026-33805 affects @fastify/reply-from <= v12.6.1 and @fastify/http-proxy

EUVD-2021-0642

Malware in sbrugna...

Important: Red Hat Security Advisory: Red Hat Advanced Cluster Management 2.2.2 security and bug fix update

Red Hat Advanced Cluster Management for Kubernetes 2.2.2 General Availability release images, which fix several bugs and security issues. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a...

CVE-2021-21322

A flaw was found in fastify-http-proxy. Escaping the prefix of the proxied backend service is possible by an attacker using a specially crafted URL. The highest threat from this vulnerability is to data confidentiality and integrity...

Prefix escape

Overview In fastify-http-proxy before version 4.3.1, by crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is /pub/, a user expect that accessing /priv on the target service would not be possible. Unfortunately, it is...

@ddot/ddot-plugin-webpack (>=0.0.3 <=0.0.14), @harmonyjs/controller-auth-jwt (>=1.0.0 <=1.0.0-rc2.6) +8 more potentially affected by CVE-2021-21322 via fastify-http-proxy (>=0.7.0 <=4.1.0)

fastify-http-proxy NPM version =0.7.0, =0.0.3, =1.0.0, =1.0.0, =1.0.0, =0.0.1, =1.0.0-alpha.2, =0.2.0, =1.1.0, =1.5.5 Source cves: CVE-2021-21322 Source advisory: OSV:GHSA-C4QR-GMR9-V23W...

CVE-2021-21322

fastify-http-proxy is an npm package which is a fastify plugin for proxying your http requests to another server, with hooks. By crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is /pub/, a user expect that accessin...

Design/Logic Flaw

fastify-http-proxy is an npm package which is a fastify plugin for proxying your http requests to another server, with hooks. By crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is /pub/, a user expect that accessin...

CVE-2021-21322 Prefix escape

fastify-http-proxy is an npm package which is a fastify plugin for proxying your http requests to another server, with hooks. By crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is /pub/, a user expect that accessin...

PT-2021-14419

Name of the Vulnerable Software and Affected Versions fastify-http-proxy versions prior to 4.3.1 Description The issue allows an attacker to escape the prefix of the proxied backend service by crafting a specific URL. For example, if the base URL of the proxied server is /pub/, an attacker can...