CVE-2026-92081

A flaw was found in fastify. When a route registers a response trailer and is served over HTTP/2, fastify incorrectly sets the 'Transfer-Encoding: chunked' header. This leads to an unhandled exception in Node.js, causing the server process to crash and resulting in a Denial of Service DoS. A...

CVE-2026-92081

fastify is a fast and low-overhead web framework for Node.js. In versions before 5.12.5, when a route registers a response trailer via reply.trailer and is served over HTTP/2, fastify unconditionally sets the Transfer-Encoding: chunked header, which is forbidden on HTTP/2, so Node.js throws while...

CVE-2026-92081 fastify vulnerable to Denial of Service via unhandled exception on HTTP/2 trailer responses

fastify is a fast and low-overhead web framework for Node.js. In versions before 5.12.5, when a route registers a response trailer via reply.trailer and is served over HTTP/2, fastify unconditionally sets the Transfer-Encoding: chunked header, which is forbidden on HTTP/2, so Node.js throws while...

CVE-2026-92081 fastify vulnerable to Denial of Service via unhandled exception on HTTP/2 trailer responses

fastify is a fast and low-overhead web framework for Node.js. In versions before 5.12.5, when a route registers a response trailer via reply.trailer and is served over HTTP/2, fastify unconditionally sets the Transfer-Encoding: chunked header, which is forbidden on HTTP/2, so Node.js throws while...

CVE-2026-92081 fastify vulnerable to Denial of Service via unhandled exception on HTTP/2 trailer responses

fastify is a fast and low-overhead web framework for Node.js. In versions before 5.12.5, when a route registers a response trailer via reply.trailer and is served over HTTP/2, fastify unconditionally sets the Transfer-Encoding: chunked header, which is forbidden on HTTP/2, so Node.js throws while...

CVE-2026-92081

fastify (a Node.js web framework) versions before 5.12.5 are vulnerable to a Denial of Service when a route registers a response trailer via reply.trailer() and is served over HTTP/2 . The root cause is that fastify unconditionally sets the Transfer-Encoding: chunked header, which is forbidden on...

CVE-2026-92087: Improper Authorization

@fastify/auth is a Fastify plugin that composes multiple authentication and authorization strategies into a single route guard. In versions 5.0.0 through 5.1.0, when strategies are composed with the relation "or" option together with the run "all" option and one entry is a nested array acting as ...

CVE-2026-92395: Authentication Bypass by Spoofing

@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, such as...

CVE-2026-92081: Uncaught Exception

fastify is a fast and low-overhead web framework for Node.js. In versions before 5.12.5, when a route registers a response trailer via reply.trailer and is served over HTTP/2, fastify unconditionally sets the Transfer-Encoding: chunked header, which is forbidden on HTTP/2, so Node.js throws while...

Linux Distros Unpatched Vulnerability : CVE-2026-86818

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.3. In versions 4.1.3 an...

CLSA-2026-1789159896 TuxCare security update for fastify (2 CVEs)

TuxCare rebuilt fastify to address 2 CVEs. Fixed in 5.7.4-tuxcare.1...

CVE-2026-75021

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

CVE-2026-75021 fastify-cli vulnerable to remote code execution via ignored explicit Inspector bind address

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

CVE-2026-75021

fastify-cli (versions 1.5.0 through 8.0.1) starts the Node.js Inspector when a debug flag is used, but ignores the explicit bind address the user supplies, binding the Inspector to a broadly reachable address instead of the intended loopback. Because the Inspector protocol permits arbitrary code ...

CVE-2026-75021 fastify-cli vulnerable to remote code execution via ignored explicit Inspector bind address

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

CVE-2026-75021 fastify-cli vulnerable to remote code execution via ignored explicit Inspector bind address

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

EUVD-2026-72734

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

PT-2026-87068

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

CVE-2026-75021: Binding to an Unrestricted IP Address

fastify-cli starts the Node.js Inspector when a debug flag is used, but it ignores the explicit bind address the user supplies and binds the Inspector to a broadly reachable address instead of the intended loopback. As a result the debugging interface can be exposed beyond the local machine, and...

CVE-2026-18174

A flaw was found in @fastify/forwarded. This component, responsible for resolving client addresses from the X-Forwarded-For header, fails to strip horizontal tab characters when processing multiple comma-separated entries. A remote attacker could exploit this by injecting tab characters into the...