CVE-2026-2459 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Hitachi Energy

Relion REB500

unaffected

Version	Status	Constraints
`8.0.0.0`	affected	≤ 8.3.3.0

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000217&LanguageCode=en&DocumentPartId=&Action=Launch

History

Tue, 24 Feb 2026 14:00:00 +0000

Type	Values Removed	Values Added
Description		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.
Weaknesses		CWE-267
References		https://publisher.hitachienergy.com/preview?DocumentID=8DBD000217&LanguageCode=en&DocumentPartId=&Action=Launch
Metrics		cvssV4_0 `{'score': 7.4, 'vector': '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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Hitachi Energy

Published: 2026-02-24T13:21:42.470Z

Updated: 2026-02-24T13:42:34.978Z

Reserved: 2026-02-13T11:08:24.044Z

Link: CVE-2026-2459

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-02-24T14:16:23.477

Modified: 2026-02-24T14:16:23.477

Link: CVE-2026-2459

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-267

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