CVE-2026-109855Published
undici is an HTTP client library for Node.js. In versions 8.11.0 and 8.11.1, its experimental WebSocket client, which is enabled by default when HTTP/2 is allowed, mishandles a failed WebSocket handshake over HTTP/2: the request is already …
Exact source revision recorded 27 Oct 2026 16:45:50 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-109855 · Microsoft / collected KEV context
nvd · CVE-2026-109855
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