CVE-2026-2459 (GCVE-0-2026-2459)

Vulnerability from cvelistv5 – Published: 2026-02-24 13:21 – Updated: 2026-02-24 13:42
VLAI?
Summary
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.
Severity ?
7.4 (High)
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
CWE
  • CWE-267 - Privilege Defined with Unsafe Actions
Assigner
References
Impacted products
Vendor Product Version
Hitachi Energy Relion REB500 Affected: 8.0.0.0 , ≤ 8.3.3.0 (custom)
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            "Recovery": "NOT_DEFINED",
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            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
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        "orgId": "e383dce4-0c27-4495-91c4-0db157728d17",
        "shortName": "Hitachi Energy"
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      "references": [
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          "url": "https://publisher.hitachienergy.com/preview?DocumentID=8DBD000217\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
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    "assignerShortName": "Hitachi Energy",
    "cveId": "CVE-2026-2459",
    "datePublished": "2026-02-24T13:21:42.470Z",
    "dateReserved": "2026-02-13T11:08:24.044Z",
    "dateUpdated": "2026-02-24T13:42:34.978Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.