NPM: node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion

Resource Exhaustion vulnerability discovered by ? in WordPress Npm node-opcua-client versions = 2.0.0, 2.170.0...

CVE-2026-69200

CVE-2026-69200 is a prototype pollution vulnerability in the node-opcua library (an OPC UA implementation for TypeScript/Node.js). The flaw exists in the internal fieldsToJson() method within packages/node-opcua-client/source/alarms_and_conditions/client_alarm.ts, which directly assigns unsanitiz...

EUVD-2026-80867

node-opcua is an OPC UA implementation for TypeScript and Node.js. Prior to node-opcua-client 2.145.0, the internal fieldsToJson method in packages/node-opcua-client/source/alarmsandconditions/clientalarm.ts directly assigns unsanitized field names and allows a proto.pollutedKey path to modify...