CVE-2026-92087

@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 ...

EUVD-2026-80806

@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-2026-92395 @fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

@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-2026-92395 @fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

@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-2026-92395 @fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet

@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-2026-92395

@fastify/proxy-addr (a Fastify plugin for determining client IP behind reverse proxies) is vulnerable to IP spoofing in versions 3.0.0 through 5.1.0. The root cause: an IPv4-mapped IPv6 trust subnet with an IPv4-sized prefix (e.g., ::ffff:10.0.0.0/8 instead of /104) is accepted silently but effec...

EUVD-2026-80788

@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-2026-92087

@fastify/auth (a Fastify plugin for composing authentication and authorization strategies) is vulnerable to authorization bypass in versions 5.0.0 through 5.1.0 . When strategies are composed using the or relation with the run: "all" option and a nested array acting as an AND group, the group is ...

CVE-2026-92087 @fastify/auth vulnerable to Authorization Bypass via order-dependent evaluation of composed auth

@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-2026-92087 @fastify/auth vulnerable to Authorization Bypass via order-dependent evaluation of composed auth

@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-2026-92087 @fastify/auth vulnerable to Authorization Bypass via order-dependent evaluation of composed auth

@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 ...

Uncaught Exception

Overview fastify is an overhead web framework, for Node.js. Affected versions of this package are vulnerable to Uncaught Exception via the reply.trailer function when handling HTTP/2 trailer responses. An attacker can cause the server process to crash and terminate all active requests by sending ...

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...

EUVD-2026-80315

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 ...