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CVE-2026-81855 Details

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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URL	Source(s)	Tag(s)
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json	[email protected]	AdvisoryBundleRemedy
https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02	[email protected]	AdvisoryBundleRemedy
https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads	[email protected]

CWE-ID	CWE Name	Source
CWE-321	Use of Hard-coded Cryptographic Key	[email protected]

Product	Versions
Wärtsilä FOS-Onboard	5.07.0923.01
CPE No CPEs found in CPE dictionary for this product. Remediation Mitigation:moderate efforthttps://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact Wärtsilä states that the vulnerabilities are not exploitable when the product is installed as recommended. Users are also directed to contact Wärtsilä to obtain and install the patch.

3 change records found show changes

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