Is CVE-2026-67861 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-67861?

CVE-2026-67861 has a CVSS v3 severity of HIGH (7.5).

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Description

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRemoteDataTypes component