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CVE-2026-82715

Insecure Temporary File Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server

CVSS score

7.9

EPSS probability

%0.1

Risk score

0.0

Published

15 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Insecure Temporary File Vulnerability in Hitachi Disk Array Driver (CVE-2026-82715)

Sources read

2

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

Hitachi Disk Array Driver for AIX and Virtual I/O Server lack proper checks when creating temporary files. A local low‑privilege user can, with user interaction, compromise system integrity and availability. Patch status is unknown and no active exploitation is reported (S0).

Why does it matter?

Local exploitation with high impact threatens the continuity of critical infrastructure.

What should be done?

  • Monitor Hitachi security advisory (S0)
  • Track for patch releases as status is unknown
  • Restrict local access and privilege levels
  • Implement secure temporary file handling
  • Update to fixed version when available
Chain of evidence and sources3 verified claims

Hitachi Disk Array Driver for AIX ve Virtual I/O Server’ın belirtilen sürümlerinde geçici dosya oluşturma sırasında güvenlik kontrolü eksikliği vardır (S0).

S0 · daybreach-canonical

CISA KEV listesinde yer almıyor; aktif istismar raporlanmamıştır (S0).

S0 · daybreach-canonical

Yama durumu resmi kaynaklarda doğrulanamadı; güncellemeler ve vendor advisory izlenmelidir (S0).

S0 · daybreach-canonical
Show the technical text from the sources

Insecure Temporary File vulnerability in Hitachi Disk Array Driver for AIX and Hitachi Disk Array Driver for Virtual I/O Server. This issue affects Hitachi Disk Array Driver for AIX: from 01-00 before 01-23-/A; Hitachi Disk Array Driver for Virtual I/O Server: from 01-04 before 01-23-/A.

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

CWE: CWE-377

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-82715 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1hitachiHitachi Disk Array Driver for AIX View
2hitachiHitachi Disk Array Driver for Virtual I/O Server View
Total affected vendors: 1|Products: 2

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.9CVSS V31HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:HNVD
7.9CVSS V3_1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:HCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-82715 is associated with the following CWEs:

CWE-377: Common Weakness Enumeration Entry CWE-377

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-82715 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekiyor

Official Sources and Advisories

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.htmlvendor-advisory

CVSS Vector Radar Chart

7.9 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.RequiredConfidentialityLowIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow privileges
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

H
hitachi logo
hitachi

Weakness Type (CWE & CAPEC)

CWE-377

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