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Node-Opcua-Transport (>= 2.0.0, < 2.170.0)

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medium advisory

Resource Exhaustion in node-opcua via TCP Socket Leak

A vulnerability in node-opcua (CVE-2026-68904) causes TCP socket exhaustion and process crashes when clock skew triggers continuous reconnection cycles.

node-opcua +2 denial-of-service nodejs opcua resource-exhaustion
1c