CVE-2026-67870

A flaw was found in open62541. A remote attacker can exploit an incomplete validation flaw in the server-side AddReferences implementation. By sending a specially crafted request, an attacker can cause a null pointer dereference, leading to a Denial of Service DoS condition. This can make the...

EUVD-2026-53681

In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node...

CVE-2026-67870

In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node...

CVE-2026-67870

In open62541 v1.5.5, the server-side AddReferences validation is incomplete for non-local ExpandedNodeId targets. A crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex can leave the target node pointer NULL while execution proceeds, implying potentia...