CVE-2026-81855

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

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