CVE-2026-69200 | node-opcua up to 2.144.x node-opcua-client client_alarm.ts fieldsToJson prototype pollution

SecurityVulns

A vulnerability was found in node-opcua up to 2.144.x. It has been classified as critical. This impacts the function fieldsToJson of the file packages/node-opcua-client/source/alarms_and_conditions/client_alarm.ts of the component node-opcua-client. The manipulation leads to improperly controlled modification of object prototype attributes.

This vulnerability is traded as CVE-2026-69200. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More