CVE-2026-67861
Description
A flaw was found in open62541. A remote attacker can exploit a vulnerability in the UA_Client_getRemoteDataTypes component to cause a denial of service (DoS). This could make the affected system unavailable to legitimate users.
Statement
This is an Important denial of service vulnerability in the open62541 library. A remote, unauthenticated attacker can exploit a flaw in the UA_Client_getRemoteDataTypes component with low attack complexity, leading to high availability impact without user interaction or elevated privileges. This could render services utilizing the affected component unavailable.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Resource Consumption (CPU); DoS: Resource Consumption (Memory); DoS: Resource Consumption (Other)
When allocating resources without limits, an attacker could prevent other systems, applications, or processes from accessing the same type of resource. It can be easy for an attacker to consume many resources by rapidly making many requests or causing larger resources to be used than is needed.
Frequently Asked Questions
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