CVE-2026-67856

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CVSS 3.1

7.5 high

EPSS

<1%p35

Published

Aug 4, 2026 (Aug 4, 2026)

Modified

Aug 31, 2026

Description

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItems(Sampling), Publish, TransferSubscriptions, and DeleteSubscriptions requests

Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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