---
title: "CVE-2026-82715: Hitachi Disk Array Driver - Insecure Temporary File"
description: "Hitachi Disk Array Driver for AIX < 01-23-/A and Virtual I/O Server < 01-23-/A contain an insecure temporary file vulnerability caused by improper handling of temporary files, letting attackers potentially access or modify temporary files, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-82715/
---

# CVE-2026-82715 Hitachi Disk Array Driver - Insecure Temporary File

Hitachi Disk Array Driver for AIX < 01-23-/A and Virtual I/O Server < 01-23-/A contain an insecure temporary file vulnerability caused by improper handling of temporary files, letting attackers potentially access or modify temporary files, exploit requires local access.

CVSS base score 7.9 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.12% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82715)

## Details

Type

Insecure Temporary File

Impact

Information Disclosure, Data Tampering

CVSS vector

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

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-377](https://cwe.mitre.org/data/definitions/377.html)

## Vendor fix

Update to version 01-23-/A or later.

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-2026-82715](https://nvd.nist.gov/vuln/detail/CVE-2026-82715)
- [https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.html](https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.html)

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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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