CVE-2026-69200

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...

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...

CVE-2026-69200 node-opcua: Prototype Pollution via internal `fieldsToJson()` implementation (Related to CVE-2024-57086)

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...

CVE-2026-69200 node-opcua: Prototype Pollution via internal `fieldsToJson()` implementation (Related to CVE-2024-57086)

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...

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...

CVE-2026-69200 node-opcua: Prototype Pollution via internal `fieldsToJson()` implementation (Related to CVE-2024-57086)

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...

CVE-2026-69200: Improperly Controlled Modification of Object Prototype Attributes

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...

PT-2026-93840

Name of the Vulnerable Software and Affected Versions node-opcua-client versions prior to 2.145.0 Description The fieldsToJson function in the packages/node-opcua-client/source/alarms and conditions/client alarm.ts file directly assigns unsanitized field names. This allows a proto .pollutedKey pa...

PT-2025-5760 · Unknown · Node-Opcua-Alarm-Condition

Name of the Vulnerable Software and Affected Versions: node-opcua-alarm-condition version 2.134.0 Description: A prototype pollution in the fieldsToJson function allows attackers to cause a Denial of Service DoS via supplying a crafted payload. Recommendations: For node-opcua-alarm-condition...

CVE-2024-57086

A prototype pollution in the function fieldsToJson of node-opcua-alarm-condition v2.134.0 allows attackers to cause a Denial of Service DoS via supplying a crafted payload...

CVE-2024-57086: Improperly Controlled Modification of Object Prototype Attributes

A prototype pollution in the function fieldsToJson of node-opcua-alarm-condition v2.134.0 allows attackers to cause a Denial of Service DoS via supplying a crafted payload...

node-opcua 安全漏洞

node-opcua is a French Sterfive SAS open source implementation of an OPC UA stack written entirely in Typescript for NodeJS. A security vulnerability exists in node-opcua version v2.134.0, which stems from the fieldsToJson function containing a prototype contamination vulnerability...