{"id":"CVE-2026-81855","revision":"033dcabe82de40be9c7354053fb2d54b","records":[{"revision":"033dcabe82de40be9c7354053fb2d54b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-81855","aliases":[],"title":"Wärtsilä FOS-Onboard Use of Hard-coded Cryptographic Key","description":"A hardcoded cryptographic client authentication key vulnerability exists in the robot testing framework component of Wärtsilä FOS-Onboard.","state":0,"publishedAt":"2026-09-15T21:31:59.632+00:00","modifiedAt":"2026-09-24T21:36:18.365+00:00","affected":[{"ecosystem":"Vendor product","name":"FOS-Onboard","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Wärtsilä\",\n                    \"product\": \"FOS-Onboard\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"5.07.0923.01\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"5.08.4052.01\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1,"severity":"CRITICAL"},{"system":"CVSS 4.0","vector":"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","score":9.3,"severity":"CRITICAL"}],"references":["https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads","https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-81855","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-81855","identifiers":["CVE-2026-81855"]},"retained":false,"historicalAffected":[]}],"coverage":[]}