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

Date Sep 16, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product npm · node-opcua-transport

CVE CVE-2026-68904

High-risk advisory CVE-2026-68904

Summary

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

Why it matters

GitHub has published a reviewed security advisory for node-opcua-transport. Prioritize it with other application dependency updates.

Operator check

Check whether node-opcua-transport is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

GitHub Advisory GHSA-r2pf-9cw4-5j65 NVD — CVE-2026-68904 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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