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Industrial control advisorySeverity 7.0 high
Siemens PSS(R)SINCAL
ICSA-26-295-06 · CISA · October 13, 2026
Summary
PSS(R)SINCAL uses WibuKey third-party product that contains an out-of-bounds write vulnerability. An attacker could exploit this vulnerability to cause a system crash, resulting in a denial-of-service condition. This affects PSS SINCAL only when configured to use the legacy WibuKey dongle license type.
Siemens is actively preparing updates and recommends applicable mitigations for products where patches are currently unavailable.
From CISA, quoted as published. Check the source before acting.
What to do
Install WIBU Systems WibuKey Runtime for Windows 6.72 or later version manually to fix the issue: Download the package from <a href="https://www.wibu.com/support/user/user-software.html">User Software - Wibu-Systems</a> and follow the installation instructions from WIBU Systems.
Currently no fix is available
Update to V22.5 Update 5 or later version
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-84854 | 7.0 high | No | 0.1% |
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
- October 13, 2026: Publication Date
- October 22, 2026: Initial CISA Republication of Siemens ProductCERT SSA-148322 advisory
- November 9, 2026: First collected by Watch
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