EUVD-2026-42312Published
Socket.IO enables bidirectional and low-latency communication for every platform. From 6.5.0 before 6.6.7, Engine.IO servers with WebTransport enabled can resolve a crafted session ID such as __proto__ through an inherited property of the c…
Exact source revision recorded 28 Oct 2026 08:37:29 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-59724 · Microsoft / collected KEV context
euvd · EUVD-2026-42312
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