What is CVE-2026-1166?

CVE-2026-1166 is a medium-severity vulnerability in Hitachi Ops Center Administrator, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-03-25.

How severe is CVE-2026-1166?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Hitachi Ops Center Administrator

CVE-2026-1166

Open Redirect vulnerability in Hitachi Ops Center Administrator.This issue affects Hitachi Ops Center Administrator: from 10.2.0 before 11.0.8.

Vulnerability class: Open Redirect

EPSS: 0.000 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Hitachi Ops Center Administrator — versions 10.2.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-113/in… (vendor-advisory)

Frequently asked questions

What is CVE-2026-1166?: CVE-2026-1166 is a medium-severity vulnerability in Hitachi Ops Center Administrator, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-03-25.
How severe is CVE-2026-1166?: Medium severity. CVSS v3 base score is 4.3 out of 10.