What is CVE-2026-82829?

CVE-2026-82829 is a critical-severity vulnerability in Hitachi Industrial Equipment Systems Coding Software Suite, classified under Hidden Functionality. CVSS score: 9.8/10. Published 2026-10-01.

How severe is CVE-2026-82829?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Hitachi Industrial Equipment Systems Coding Software Suite

CVE-2026-82829

Hitachi Coding Software Suite contains a vulnerability related to Hidden Functionality vulnerability which allows an attacker to gain unauthorized access by exploiting hidden accounts or hard coded credentials. This issue affects Hitachi Coding Software Suite: through 3.3.0.

Published 2026-10-01 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Hitachi Industrial Equipment Systems Coding Software Suite

Weakness classification (CWE)

CWE-912 — Hidden Functionality

References

www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software… (vendor-advisory)

Frequently asked questions

What is CVE-2026-82829?: CVE-2026-82829 is a critical-severity vulnerability in Hitachi Industrial Equipment Systems Coding Software Suite, classified under Hidden Functionality. CVSS score: 9.8/10. Published 2026-10-01.
How severe is CVE-2026-82829?: Critical severity. CVSS v3 base score is 9.8 out of 10.