VULNERABILITY INTELLIGENCE

CVE-2026-45736

CVSS score4.4 MEDIUM
EPSS probability0.74%
CISA KEVNot currently listed
Published2026-05-15
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-908
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-824

Primary references