{"id":"CVE-2026-45736","revision":"7978af2a66df42d6b456ff32881f7aad","records":[{"revision":"7978af2a66df42d6b456ff32881f7aad","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-45736","aliases":[],"title":"ws: Uninitialized memory disclosure","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.","state":0,"publishedAt":"2026-05-15T14:53:57.263+00:00","modifiedAt":"2026-09-11T12:09:09.123+00:00","affected":[{"ecosystem":"Vendor product","name":"ws","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"websockets\",\n                    \"product\": \"ws\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 8.0.0, < 8.20.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","score":4.4,"severity":"MEDIUM"}],"references":["https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx","https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45736","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-45736","identifiers":["CVE-2026-45736"]},"retained":false,"historicalAffected":[]}],"coverage":[]}