Unrated severityNVD Advisory· Published Aug 4, 2026· Updated Aug 4, 2026
CVE-2026-67856
CVE-2026-67856
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
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/open62541/open62541/blob/master/examples/access_control/server_access_control.cmitre
- github.com/open62541/open62541/blob/master/src/server/ua_services_subscription.cmitre
- github.com/open62541/open62541/blob/master/src/server/ua_subscription.cmitre
- github.com/open62541/open62541/blob/master/src/server/ua_subscription.hmitre
- github.com/open62541/open62541/issues/8092mitre
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