CVE-2026-2459
Received Received - Intake

Unauthorized Directory Access in REB500 via Installer Role Abuse

Publication date: 2026-02-24

Last updated on: 2026-04-06

Assigner: Hitachi Energy

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.

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Meta Information

Published
2026-02-24
Last Modified
2026-04-06
Generated
2026-07-06
AI Q&A
2026-02-24
EPSS Evaluated
2026-07-05
NVD
CVE-2026-2459
EUVD
EUVD-2026-8463

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
hitachienergy reb500_firmware to 8.3.3.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-267 A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity.

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Executive Summary

This vulnerability exists in REB500 and allows an authenticated user with the Installer role to access and modify the contents of directories that they are not authorized to access.

Impact Analysis

The vulnerability can lead to unauthorized access and alteration of directory contents by users with the Installer role, potentially compromising the integrity and confidentiality of data within those directories.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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