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SSA-834709: Missing Authentication Vulnerability in Node-RED on SIMATIC IoT2050 Advanced with Industrial OS

CRITICAL
CVSS 10.0
Date 2026-08-11T00:00:00+00:00
Source siemens-productcert
Published by Siemens ProductCERT

// Description

SIMATIC IoT2050 Advanced devices running Industrial OS with Node-RED installed contain a missing authentication vulnerability in the Node-RED HTTP interface that could allow an unauthenticated remote attacker to create malicious flows and execute arbitrary code on the underlying server with maximum privileges. Siemens has released a new version for SIMATIC IoT2050 Advanced and strongly recommends to update to the latest version.

// Vulnerabilities (1)

CVE ID CVSS Score Severity Description
CVE-2026-58115 10.0 critical
CVE-2026-58115. Affected devices do not enforce authentication on the Node-RED HTTP interface, allowing unauthenticated access to programming nodes that are capable of executing system commands on the server. This could allow an unauthenticated remote attacker to create malicious flows through the HTTP interface in order to execute arbitrary code on the underlying server with maximum privileges.

// Remediations (3)

Mitigation: Uninstall Node-RED
Uninstall Node-RED
Patch: Update to V4.3.4.1 or later version
Update to V4.3.4.1 or later version
Mitigation: Harden the Node-RED installation (see Node-RED User Guide)
Harden the Node-RED installation (see Node-RED User Guide)

// References