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CVE-2026-2459

HIGH CVSS 4.0: 7.4 EPSS 0.01%
Updated Apr 06, 2026
Hitachienergy
Parameter Value
CVSS 7.4 (HIGH)
Affected Versions before 8.3.3.0
Type CWE-267
Vendor Hitachienergy
Public PoC No

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 Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Hitachienergy Reb500_Firmware
cpe:2.3:o:hitachienergy:reb500_firmware:*:*:*:*:*:*:*:*
<= 8.3.3.0
Hitachienergy Reb500
cpe:2.3:h:hitachienergy:reb500:-:*:*:*:*:*:*:*