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Industrial control advisorySeverity 7.8 high
Siemens Simcenter Nastran
ICSA-26-230-02 · CISA · August 11, 2026
Summary
Simcenter Nastran is affected by a stack overflow vulnerability that could be triggered when an application binary reads arbitrary string as a file argument. If a user is tricked to run one of the impacted application binary with a malicious string, an attacker could leverage the vulnerability to perform remote code execution in the context of the current process.
Siemens has released new versions for the affected products and recommends to update to the latest versions.
From CISA, quoted as published. Check the source before acting.
What to do
Update to V2606 or later version
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-59086 | 7.8 high | No | 0.2% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
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 13, 2026: Added Simcenter Femap with fix
- August 18, 2026: Initial CISA Republication of Siemens ProductCERT SSA-069220 advisory
- November 9, 2026: First collected by Watch
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