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CVE Vulnerability Details :

CVE-2026-2459

PUBLISHED

More Info Official Page

Assigner-Hitachi Energy

Assigner Org ID-e383dce4-0c27-4495-91c4-0db157728d17

Published At-24 Feb, 2026 | 13:21

Updated At-28 Feb, 2026 | 02:22

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Hitachi Energy Ltd.

Product

Relion REB500

Default Status

unaffected

Versions

Affected

From 8.0.0.0 through 8.3.3.0 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-267	CWE-267 Privilege Defined with Unsafe Actions

Type: CWE

CWE ID: CWE-267

Description: CWE-267 Privilege Defined with Unsafe Actions

Metrics

Version	Base score	Base severity	Vector
4.0	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

Version: 4.0

Base score: 7.4

Base severity: HIGH

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

Impacts

CAPEC ID	Description
CAPEC-165	CAPEC-165 File Manipulation

CAPEC ID: CAPEC-165

Description: CAPEC-165 File Manipulation

References

Hyperlink	Resource
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000217&LanguageCode=en&DocumentPartId=&Action=Launch	N/A

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

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References