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...

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...