CVE-2026-45736
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.
Published:May 15, 2026
Last Modified:Sep 9, 2026
EPS:May 15, 2026
EPSS Score:0.00745
CVSS Score:4.4
Affected Products
Vendor
Product
Action
Vendor
Websockets
Product
Ws
Websockets
Ws
Vendor
Ws Project
Product
Ws
Ws Project
Ws
Exploits
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
