Detections
Analytics
CVE-2026-45736
high
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.
References
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45736.json
https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx
https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086
https://bugzilla.redhat.com/show_bug.cgi?id=2477914
https://access.redhat.com/security/cve/CVE-2026-45736
https://access.redhat.com/errata/RHSA-2026:7655
https://access.redhat.com/errata/RHSA-2026:37272
https://access.redhat.com/errata/RHSA-2026:36820
https://access.redhat.com/errata/RHSA-2026:36754
https://access.redhat.com/errata/RHSA-2026:34374
https://access.redhat.com/errata/RHSA-2026:33574
https://access.redhat.com/errata/RHSA-2026:29197
https://access.redhat.com/errata/RHSA-2026:27171