EUVD-2026-22877Published
@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 pro…
Exact source revision recorded 28 Oct 2026 04:02:00 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-33805 · Microsoft / collected KEV context
euvd · EUVD-2026-22877
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