CVE-2026-2459: high-severity vulnerability in Hitachi Energy Relion REB500
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.4epss 0.4%
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.
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
Affected products
Hitachi Energy · Relion REB500Related CVEs — Hitachi Energy Relion REB500
In the same product, most dangerous first.