{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2459","assignerOrgId":"e383dce4-0c27-4495-91c4-0db157728d17","state":"PUBLISHED","assignerShortName":"Hitachi Energy","dateReserved":"2026-02-13T11:08:24.044Z","datePublished":"2026-02-24T13:21:42.470Z","dateUpdated":"2026-02-28T02:22:21.519Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Relion REB500","vendor":"Hitachi Energy","versions":[{"lessThanOrEqual":"8.3.3.0","status":"affected","version":"8.0.0.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A vulnerability exists in REB500 for an authenticated user with Installer role to access and alter the contents of directories that the role is not authorized to do so.<br>"}],"value":"A vulnerability exists in REB500 for an authenticated user with Installer role to access and alter the contents of directories that the role is not authorized to do so."}],"impacts":[{"capecId":"CAPEC-165","descriptions":[{"lang":"en","value":"CAPEC-165 File Manipulation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.4,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-267","description":"CWE-267 Privilege Defined with Unsafe Actions","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"e383dce4-0c27-4495-91c4-0db157728d17","shortName":"Hitachi Energy","dateUpdated":"2026-02-24T13:42:34.978Z"},"references":[{"url":"https://publisher.hitachienergy.com/preview?DocumentID=8DBD000217&LanguageCode=en&DocumentPartId=&Action=Launch"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-28T02:21:26.119358Z","id":"CVE-2026-2459","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-28T02:22:21.519Z"}}]}}