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

🗓️ 16 Sep 2026 16:19:21Reported by PatchstackType 
patchstack
 patchstack🔗 patchstack.com👁 6 Views

TCP socket leak in node-opcua 2.0.0-2.169.x via keepalive reconnection causing resource exhaustion.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-68904
16 Sep 202617:31
–circl
cve
CVE		CVE-2026-68904
16 Sep 202616:18
–cve
cvelist
Cvelist		CVE-2026-68904 node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion
16 Sep 202616:18
–cvelist
euvd
EUVD		EUVD-2026-80869
16 Sep 202616:18
–euvd
github
Github Security Blog		node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion
16 Sep 202616:19
–github
nvd
NVD		CVE-2026-68904
16 Sep 202617:18
–nvd
osv
OSV		GHSA-R2PF-9CW4-5J65 node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion
16 Sep 202616:19
–osv
patchstack
Patchstack		NPM: node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion
16 Sep 202616:19
–patchstack
patchstack
Patchstack		NPM: node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion
16 Sep 202616:19
–patchstack
vulnrichment
Vulnrichment		CVE-2026-68904 node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion
16 Sep 202616:18
–vulnrichment
Vulners
Node
npmnode-opcuaRange≤>= 2.0.0, 2.170.0

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16 Sep 2026 16:19Current
CVSS 3.17
EPSS0.00424
SSVC
node-opcuaResource ExhaustionFIN-WAIT-2 leakkeepalive reconnectionNPM
6