CVE Watch13 ago 2026

CVE-2026-73561

Hub is a Node.js WebSocket server and client with added features. Prior to 0.2.16, every incoming unauthenticated WebSocket connection trigg

CVSS

7.5

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 13 ago 2026 · Última mod.: 13 ago 2026 · CWE-400

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Hub is a Node.js WebSocket server and client with added features. Prior to 0.2.16, every incoming unauthenticated WebSocket connection triggers loadDefaultConnectionEventListeners to call requestClientId, which calls rpc.send for the get-client-id action and pushes a request into RPC.requests. The RPC.waitForReply function starts a setInterval polling loop every 10 milliseconds that is cleared only after a matching reply; if the client remains silent and closes, the timer and pending request stay allocated because the socket close path does not cancel them. Repeated connections therefore cause unbounded timers and heap entries, exhausting CPU and memory and making the server unavailable. This issue is fixed in version 0.2.16.

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