Description

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the NodeManagement type-instantiation logic component

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References

Other References

https://github.com/open62541/open62541/blob/v1.5.5/examples/ci_server.c https://github.com/open62541/open62541/blob/v1.5.5/plugins/ua_accesscontrol_default.c https://github.com/open62541/open62541/blob/v1.5.5/src/server/ua_services_nodemanagement.c https://github.com/open62541/open62541/issues/8133

Frequently Asked Questions

What is CVE-2026-67864? +

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the NodeManagement type-instantiation logic component

How do I check if I'm vulnerable to CVE-2026-67864? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.