EUVD-2026-53669

Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMacProcessMsgDeleteMonitoredItemsResponse and SOPCStaMacNewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path...

CVE-2026-67856

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via crafted CreateSubscription, CreateMonitoredItemsSampling, Publish, TransferSubscriptions, and DeleteSubscriptions requests...

CVE-2026-18790

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...

CVE-2026-18790 Systerel S2OPC DeleteMonitoredItemsRequest state_machine.c out-of-bounds

A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMacProcessMsgDeleteMonitoredItemsResponse of the file src/ClientServer/frontend/clientwrapper/internal/statemachine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes...

CVE-2026-18790

Systerel S2OPC up to 1.7.3 contains a vulnerability in LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse (src/ClientServer/frontend/client_wrapper/internal/state_machine.c, DeleteMonitoredItemsRequest Handler). The flaw enables an out-of-bounds read and can be exploited locally. Public exploit...

CVE-2026-61387

CVE-2026-61387 (Eclipse Milo) affects Milo 1.0.0–1.1.4. The issue is that monitored-item quota accounting is not exception-safe: if item creation fails due to an unchecked error, the server-global reservation is not restored. Additionally, deeply nested PubSub ExtensionObjects in a CreateMonitore...

EUVD-2026-52659

In Eclipse Milo versions 1.0.0 through 1.1.4, monitored-item quota accounting is not exception-safe: if item creation fails with an unchecked error, the server-global reservation is not restored. Deeply nested PubSub ExtensionObjects in a CreateMonitoredItems event filter can trigger a...

CVE-2026-61387

In Eclipse Milo versions 1.0.0 through 1.1.4, monitored-item quota accounting is not exception-safe: if item creation fails with an unchecked error, the server-global reservation is not restored. Deeply nested PubSub ExtensionObjects in a CreateMonitoredItems event filter can trigger a...

CVE-2026-61387

In Eclipse Milo versions 1.0.0 through 1.1.4, monitored-item quota accounting is not exception-safe: if item creation fails with an unchecked error, the server-global reservation is not restored. Deeply nested PubSub ExtensionObjects in a CreateMonitoredItems event filter can trigger a...

CVE-2026-61387

In Eclipse Milo versions 1.0.0 through 1.1.4, monitored-item quota accounting is not exception-safe: if item creation fails with an unchecked error, the server-global reservation is not restored. Deeply nested PubSub ExtensionObjects in a CreateMonitoredItems event filter can trigger a...

CVE-2026-67856

The vulnerability CVE-2026-67856 affects the open62541 OPC UA server and is present in version 1.5.5 and earlier. The issue allows a remote attacker to cause a denial of service by sending crafted subscription-related requests, specifically CreateSubscription, CreateMonitoredItems(Sampling), Publ...

Softing uaToolkit Embedded 安全漏洞

Softing UaToolkit Embedded is used to support the development of embedded Opc Ua applications via client/server and publisher/subscriber communication by Softing Germany. A security vulnerability exists in Softing uaToolkit Embedded prior to version 1.41, which stems from an incorrectly formatted...

GHSA-FPH9-F5R6-VHQF Eclipse Milo vulnerable to Resource Exhaustion (Denial of Service)

Impact Denial of Service Details OPC UA specification describes a concept named Subscriptions. Subscriptions monitor a set of Monitored Items for Notifications and return them to the Client in response to Publish requests. The server notifies the client about changes only in case the value is...

OPC UA Modify Monitored Items Response Command

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OPC UA Modify Monitored Items Request Command

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OPC UA Create Monitored Items Request Command

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OPC UA Delete Monitored Items Request Command

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OPC UA Create Monitored Items Response Command

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OPC UA Delete Monitored Items Response Command

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