CVE-2026-81855

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

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

24 Sep 2026, 22:17

Type	Values Removed	Values Added
References	~~{'url': 'https://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact', 'source': 'ics-cert@hq.dhs.gov'}~~	() https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads -

Information

Published : 2026-09-15 22:17

Updated : 2026-09-24 22:17

NVD link : CVE-2026-81855

Mitre link : CVE-2026-81855

CVE.ORG link : CVE-2026-81855

JSON object : View

Products Affected

No product.

CWE

CWE-321

Use of Hard-coded Cryptographic Key

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