CVE-2026-33592

An unauthenticated remote attacker can exhaust server memory via the FindServers Discovery Service in open62541. The serverUris field of FindServersRequest is not validated for length or array size. An attacker can declare an arbitrarily large string up to 3.9 GB delivered across intermediate...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the FindServers process. An attacker can cause the server to allocate excessive memory by sending a FindServersRequest with an unbounded serverUris field, delivering a very large...

OPC UA Find Servers Response Command

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