CVE-2026-67856 | BDVDB-2026-355191 Detail
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
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-400 Uncontrolled Resource Consumption
References#
- https://github.com/open62541/open62541/issues/8092
- https://github.com/open62541/open62541/blob/master/src/server/ua_services_subscription.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_subscription.c
- https://github.com/open62541/open62541/blob/master/src/server/ua_subscription.h
- https://github.com/open62541/open62541/blob/master/examples/access_control/server_access_control.c
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.