CVE-2026-2459

High

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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductHitachienergy Reb500 Firmware
PublishedFeb 24, 2026
First seenFeb 24, 2026
Weakness typeCWE-267CWE-267

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
hitachienergy reb500_firmwarev ≤ 8.3.3.0—

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