Critical severity · published Oct 1, 2026
CVE-2026-82829
Hidden accounts or hard-coded credentials may permit unauthorized access without the legitimate authentication process
9.8
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HC
Hitachi Coding Software Suite · Hitachi Industrial Equipment Systems
through 3.3.0 · source: vendor
Affected product
HC
Hitachi Coding Software Suite
Hitachi Industrial Equipment Systems
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82829
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82829
vendor-advisory
https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf
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Improper authorization may allow a general user to perform operations equivalent to those available with administrator privileges
7.5
CVE-2026-82826
Authentication information or sensitive data may be intercepted in transit