---
title: "CVE-2026-82826: Hitachi Coding Software Suite - Cleartext Transmission of Sensitive Information"
description: "Hitachi Coding Software Suite <= 3.3.0 contains a cleartext transmission of sensitive information vulnerability caused by unencrypted data transmission, letting attackers eavesdrop on authentication credentials and sensitive data in transit, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-82826/
---

# CVE-2026-82826 Hitachi Coding Software Suite - Cleartext Transmission of Sensitive Information

Hitachi Coding Software Suite <= 3.3.0 contains a cleartext transmission of sensitive information vulnerability caused by unencrypted data transmission, letting attackers eavesdrop on authentication credentials and sensitive data in transit, exploit requires network access.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.18% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82826)

## Details

Type

Cleartext Transmission of Sensitive Information

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

1 October 2026

Updated

15 October 2026

Weakness

[CWE-319](https://cwe.mitre.org/data/definitions/319.html)

## Vendor fix

Update to the latest version beyond 3.3.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-82826](https://nvd.nist.gov/vuln/detail/CVE-2026-82826)
- [https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi\_Coding\_Software\_Suite\_Public\_statement\_20260925\_EN.pdf](https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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