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Vulnerability record · CVE-2026-81855 · published 15 September 2026

CVE-2026-81855: A hardcoded cryptographic client authentication key vulnerability exists in the robot testing framework compon…

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

9.3 CVSS 4.0 Critical EPSS 0.59% · top 54.0% CWE-321 · CWE-321 Deferred
9.3CVSS 4.0 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
24 Sep 2026Last modified by NVD

Description

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-81855), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.