CVE-2026-45736

HighCVSS 7.5/10Last modified Sep 11, 2026

Description

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-908 CWE-824

Affected software

No affected versions have been published.

Timeline

Published: May 15, 2026
Last modified: Sep 11, 2026
NVD status: Modified

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