28 matches found
CVE-2026-85124
@fastify/http-proxy versions before 11.6.2 do not validate proxied HTTP request paths for backslash based dot-segments before forwarding them to the configured upstream. The plain HTTP request handler skips the destination validation that the WebSocket path performs, and the underlying reply-from...
EUVD-2026-70381
@fastify/http-proxy versions before 11.6.2 do not validate proxied HTTP request paths for backslash based dot-segments before forwarding them to the configured upstream. The plain HTTP request handler skips the destination validation that the WebSocket path performs, and the underlying reply-from...
CVE-2026-85124
@fastify/http-proxy versions before 11.6.2 are vulnerable to a path traversal (CWE-22) caused by insufficient validation of backslash-based dot-segments in proxied HTTP request paths. The plain HTTP handler skips the destination validation performed on the WebSocket path, and the underlying reply...
CVE-2026-85124 @fastify/http-proxy vulnerable to prefix escape via backslash dot-segments
@fastify/http-proxy versions before 11.6.2 do not validate proxied HTTP request paths for backslash based dot-segments before forwarding them to the configured upstream. The plain HTTP request handler skips the destination validation that the WebSocket path performs, and the underlying reply-from...
@agentspec/claude-plugin (>=0.1.0, <=0.2.0), @agentspec/sidecar (0.1.0) +86 more potentially affected by CVE-2021-21322 +1 more via @fastify/http-proxy (>=9.4.0, <=11.5.0)
@fastify/http-proxy NPM version =9.4.0, =0.1.0, =1.0.19, =2.1.22, =0.1.1, =0.1.0, =0.0.4, =0.0.4, =6.0.0-canary.2685, =0.0.4, =0.0.4, =4.0.0-canary.13864, =4.0.0-canary.13864, =0.0.4, =9.0.0-canary.1784 and more Source cves: CVE-2021-21322, CVE-2026-15631 Source advisory:...
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...
@cedarjs/api-server (>=1.0.0-canary.12281, <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12281, <=9.0.0-canary.1784) +40 more potentially affected by CVE-2026-16117 via @fastify/http-proxy (>=11.1.2, <=11.5.0)
@fastify/http-proxy NPM version =11.1.2, =1.0.0-canary.12281, =1.0.0-canary.12281, =6.0.0-canary.2685, =1.0.0-canary.12281, =1.0.0-canary.12281, =4.0.0-canary.13864, =4.0.0-canary.13864, =1.0.0-canary.12281, =3.0.0-alpha-1, =0.0.4, =0.3.0, =0.1.0, =1.0.1, =1.0.14 and more Source cves:...
EUVD-2026-45379
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-2026-16117 @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...
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...
@cedarjs/api-server (>=1.0.0-canary.12281, <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12281, <=9.0.0-canary.1784) +23 more potentially affected by CVE-2026-33805 via @fastify/http-proxy (>=11.1.2, <=11.4.3)
@fastify/http-proxy NPM version =11.1.2, =1.0.0-canary.12281, =1.0.0-canary.12281, =1.0.0-canary.12281, =1.0.0-canary.12281, =1.0.0-canary.12281, =3.0.0-alpha-1, =0.1.0, =1.0.1, =0.0.1, =1.0.0, =1.0.1, =1.4.4, =1.0.50, =0.0.1, =0.1.65 and more Source cves: CVE-2026-33805 Source advisory:...
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...
@cedarjs/api-server (>=1.0.0-canary.12281, <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12281, <=9.0.0-canary.1784) +23 more potentially affected by CVE-2026-33805 via @fastify/http-proxy (>=11.1.2, <=11.4.3)
@fastify/http-proxy NPM version =11.1.2, =1.0.0-canary.12281, =1.0.0-canary.12281, =1.0.0-canary.12281, =1.0.0-canary.12281, =1.0.0-canary.12281, =3.0.0-alpha-1, =0.1.0, =1.0.1, =0.0.1, =1.0.0, =1.0.1, =1.4.4, =1.0.50, =0.0.1, =0.1.65 and more Source cves: CVE-2026-33805 Source advisory:...
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...