CVE-2026-117518

A flaw was found in @fastify/reply-from. The plugin only validates forward-slash dot-segments, allowing backslash sequences to bypass traversal checks when the upstream destination URL is constructed. An unauthenticated remote attacker can exploit this vulnerability by submitting requests with...

CVE-2026-117518

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its...

CVE-2026-117518 @fastify/reply-from vulnerable to path traversal via backslash dot-segment prefix escape

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its...

EUVD-2026-115127

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its...

CVE-2026-117518 @fastify/reply-from vulnerable to path traversal via backslash dot-segment prefix escape

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its...

CVE-2026-117518 @fastify/reply-from vulnerable to path traversal via backslash dot-segment prefix escape

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its...

CVE-2026-117518

The @fastify/reply-from Fastify plugin (versions up to and including 12.8.0 ) is vulnerable to a path traversal issue. The plugin fails to account for backslash dot-segments during path validation, as the WHATWG URL parser normalizes backslashes (and their percent-encoded forms) to forward slashe...

PT-2026-135403

Name of the Vulnerable Software and Affected Versions @fastify/reply-from versions prior to 12.8.1 Description This plugin forwards requests to an upstream HTTP server. It fails to properly validate proxy paths because it only checks for forward-slash dot-segments. The WHATWG URL parser normalize...

CVE-2026-117518: @fastify/reply-from: @fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its...

Improper Certificate Validation

Overview @fastify/reply-from is a forward your HTTP request to another server, for fastify Affected versions of this package are vulnerable to Improper Certificate Validation via the built-in HTTPS transports getHttpOpts, getHttp2Opts, and getUndiciOptions in lib/request.js, which unconditionally...

CVE-2026-107318

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

CVE-2026-107318

The @fastify/reply-from Fastify plugin (versions prior to 12.7.0 ) is vulnerable to improper certificate validation in its built-in HTTPS transports. The root cause is that these transports override the secure default by setting rejectUnauthorized to false, causing the proxy to fail to verify the...

CVE-2026-107318

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

CVE-2026-107318 @fastify/reply-from vulnerable to improper certificate validation in built-in HTTPS transports

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

EUVD-2026-95261

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

CVE-2026-107318 @fastify/reply-from vulnerable to improper certificate validation in built-in HTTPS transports

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

CVE-2026-107318 @fastify/reply-from vulnerable to improper certificate validation in built-in HTTPS transports

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

CVE-2026-107318: Improper Certificate Validation

@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP or HTTPS server. In versions prior to 12.7.0, all of the built-in HTTPS transports override the secure default and set rejectUnauthorized to false, so the proxy does not verify the TLS certificate of the upstream...

PT-2026-108208

Name of the Vulnerable Software and Affected Versions @fastify/reply-from versions prior to 12.7.0 Description Built-in HTTPS transports in this Fastify plugin override the secure default by setting rejectUnauthorized to false. This prevents the proxy from verifying the TLS certificate of the...

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...