CVE-2026-81855

9.3 criticalEPSS 0.6%

Critical (9.3). EPSS 0.6% chance of exploitation in the next 30 days.

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

Severity

9.3 critical

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

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-321
Published: 2026-09-15
Modified: 2026-09-24
Record from: the NVD, synced 2026-10-19