CVE-2026-67856 [HIGH] – An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of ser

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