HIGH

CVE-2026-67856

2026-08-04 CVSS v3.1

CVSS

7.5

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)

CWE-400 Uncontrolled Resource Consumption

EPSS Score

0.42%

Probability of exploitation in next 30 days

35.6th percentile

References

https://github.com/open62541/open62541/blob/master/examples/access_control/server_access_control.c 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/issues/8092

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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