Search/CVE-2026-2459
● CVE — High

CVE-2026-2459

VendorhitachienergyProductreb500 firmwareDiscoveredFeb 24, 2026UpdatedApr 6, 2026

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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CVSS v3.1
8.1 HIGH
EPSS
0.37%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 23, 2026
▲ 0.04pp
0.33% → 0.37% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Feb 24, 2026
Disclosure — published as a CVE record. · last revised by NVD Apr 6, 2026