CVE-2026-81855

CVE-2026-81855

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

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Weakness classification (CWE)

CWE-321 — Use of Hard-coded Cryptographic Key

References

Frequently asked questions

What is CVE-2026-81855?: CVE-2026-81855 is a critical-severity vulnerability, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.1/10. Published 2026-09-15.
How severe is CVE-2026-81855?: Critical severity. CVSS v3 base score is 9.1 out of 10.