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 1 Nov 2026 05:16:03 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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