CVE-2026-82116: Hitachi HiRDB missing authentication for critical function

CVE-2026-82116 · Severity: critical · CVSS 9.8 · Published 2026-10-27

HiRDB is a database management system used for mission-critical data storage and retrieval in enterprise environments. An attacker can exploit missing authentication controls to gain unauthorized access to critical database functions, potentially leading to complete compromise of data confidentiality, integrity, and system availability without needing valid credentials or network restrictions.

Technologies: Hitachi HiRDB Server Version 10, Hitachi HiRDB Server Version 9, Hitachi HiRDB Server Version 9(32), Hitachi HiRDB Server with Additional Function Version 9, Hitachi HiRDB Server with Additional Function Version 9(32). Vendors: Hitachi.

Quick answers

Is CVE-2026-82116 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-82116 being exploited in the wild.
How severe is CVE-2026-82116?
Critical severity, with a CVSS score of 9.8, published 27 October 2026.
Which products and versions are affected?
Hitachi HiRDB Server Version 10 10-00 through 10-11-01; 10-12 contains fix; Hitachi HiRDB Server Version 9 09-00 through 09-66-22; Hitachi HiRDB Server Version 9(32) 09-02 through 09-66-22; Hitachi HiRDB Server with Additional Function Version 9 09-00 through 09-66-/V; and 1 more.
Is there a fix for CVE-2026-82116?
Yes: fixed in HiRDB Server Version 10: 10-12-01, 10-11-02, 10-08-05. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-82116 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-82116?
Check whether you run Hitachi HiRDB Server Version 10, Hitachi HiRDB Server Version 9, Hitachi HiRDB Server Version 9(32) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: HiRDB Server Version 10: 10-12-01, 10-11-02, 10-08-05

Technical details

A missing authentication vulnerability exists in HiRDB's critical functions, allowing unauthenticated network-based access with no prerequisites. The vulnerability affects multiple versions across HiRDB Server v9 and v10 product lines. An attacker can achieve complete confidentiality, integrity, and availability compromise remotely.

Affected products

  • Hitachi HiRDB Server Version 10 10-00 through 10-11-01; 10-12 contains fix
  • Hitachi HiRDB Server Version 9 09-00 through 09-66-22
  • Hitachi HiRDB Server with Additional Function Version 9 09-00 through 09-66-/V
  • Hitachi HiRDB Server Version 9(32) 09-02 through 09-66-22
  • Hitachi HiRDB Server with Additional Function Version 9(32) 09-00 through 09-66-/V

Timeline

  • 2026-10-27: disclosed

References

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