CVE-2026-81855

CVSS 9.3 (critical) · published 2026-09-15

A hardcoded cryptographic client authentication key vulnerability exists in the robot testing framework component of Wärtsilä FOS-Onboard.

Weakness: CWE-321

Source: NVD CVE-2026-81855

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02
• https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads

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