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High 7.6Published Feb 24, 2026

CVE-2026-2460A vulnerability exists in REB500 for an authenticated user with low-level privileges to access and alter the content of directories by using the DAC protocol that the user is not authorized to do so.

Updated under an hour ago ()

Does this affect you?

It affects Hitachi Energy Relion REB500 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A vulnerability exists in REB500 for an authenticated user with low-level privileges to access and alter the content of directories by using the DAC protocol that the user is not authorized to do so.

CVSS
7.6 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-267
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Hitachi Energy
NVD analysis
Analyzed
Record last updated
Feb 27, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Hitachi Energy Relion REB500
hitachi_energy:relion_reb500 (from the name)
from 8.0.0.0 through 8.3.3.0
CNA record
hitachienergy reb500_firmware
hitachienergy:reb500_firmware
before 8.3.3.1
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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