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Industrial control advisorySeverity 10.0 critical
Siemens SIMATIC IoT2050 Advanced
ICSA-26-237-03 · CISA · August 11, 2026
Summary
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.
From CISA, quoted as published. Check the source before acting.
What to do
Harden the Node-RED installation (see Node-RED User Guide)
Uninstall Node-RED
Update to V4.3.4.1 or later version
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-58115 | 10.0 critical | No | 0.9% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Siemens | SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) |
Why it's on these mode pages
- Maritime: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- August 11, 2026: Publication Date
- August 25, 2026: Initial CISA Republication of Siemens ProductCERT SSA-834709 advisory
- November 9, 2026: First collected by Watch
Securidigm Scout can match advisories like this one to the equipment on your own network, offline. securidigm.com