TI-2026-81062 Aliases CVE-2026-82122 GHSA-gqg7-qhr5-2xm4

Stack-based buffer overflow in Hitachi HiRDB Server

MEDIUM 49CWE-121Published 2026-10-27 · Updated 2026-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · Low
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

Hitachi HiRDB Server Version 10 from 10-00 before 10-12-01, HiRDB Server Version 9 from 09-00 through 09-66-22, HiRDB Server with Additional Function Version 9 from 09-00 through 09-66/V, HiRDB Server Version 9(32) from 09-02 through 09-66-22, and HiRDB Server with Additional Function Version 9(32) from 09-00 through 09-66-/V are affected. A stack-based buffer overflow (CWE-121) lets data be written past a stack buffer. A remote attacker without privileges or user interaction can exploit this over the network, with high impact to confidentiality and integrity.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Stack-based Buffer Overflow Vulnerability in HiRDB. This issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-00 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-00 through 09-66/V; HiRDB Server Version 9(32): from 09-02 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-00 through 09-66-/V.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00454 39th percentileScored 2026-11-07

Fix Fixed HiRDB Server Version 10 (Hitachi): 10-12-01

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Hitachi	HiRDB Server Version 10	10-00 to before 10-12-01	10-12-01	Patch available	CNA
Hitachi	HiRDB Server Version 9	09-00 – 09-66-22	—	No fix listed	CNA
Hitachi	HiRDB Server with Additional Function Version 9	09-00 – 09-66/V	—	No fix listed	CNA
Hitachi	HiRDB Server Version 9(32)	09-02 – 09-66-22	—	No fix listed	CNA
Hitachi	HiRDB Server with Additional Function Version 9(32)	09-00 – 09-66-/V	—	No fix listed	CNA

HiRDB Server Version 10 VendorHitachi Affected 10-00 to before 10-12-01 Fixed in 10-12-01 Patch available CNA
HiRDB Server Version 9 VendorHitachi Affected 09-00 – 09-66-22 Fixed in — No fix listed CNA
HiRDB Server with Additional Function Version 9 VendorHitachi Affected 09-00 – 09-66/V Fixed in — No fix listed CNA
HiRDB Server Version 9(32) VendorHitachi Affected 09-02 – 09-66-22 Fixed in — No fix listed CNA
HiRDB Server with Additional Function Version 9(32) VendorHitachi Affected 09-00 – 09-66-/V Fixed in — No fix listed CNA

Remediation

Fix HiRDB Server Version 10 by updating to 10-12-01. The sources list no fixed version for HiRDB Server Version 9, HiRDB Server with Additional Function Version 9, HiRDB Server Version 9(32), and HiRDB Server with Additional Function Version 9(32).

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Fix · CNA HiRDB Server Version 10 (Hitachi) Fixed in 10-12-01

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-10-27
Hitachi HiRDB Server Version 10 10-12-01
5 records Highest priority Priority MEDIUM 4 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-81059 OS command injection in Hitachi HiRDB ServerPriority MEDIUM 51
- TI-2026-81057 Authentication bypass by spoofing in Hitachi HiRDB ServerPriority MEDIUM 50
- TI-2026-81056 Missing authentication for critical function in Hitachi HiRDBPriority MEDIUM 50
Show all 5 records →

Timeline

2026-10-27 Threatist record created from CVE-2026-82122
2026-10-27 Alias added: GHSA-gqg7-qhr5-2xm4
2026-11-04 CISA SSVC decision points changed

References

Advisory 1

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-144/index.html

TI-2022-21586 Hitachi Vantara Pentaho Business Analytics Server - Use of Non-Canonical URL Paths for Authorization Decisions KEVCVSS 3.1CRITICAL 9.8
TI-2022-21503 Injection in Hitachi Vantara Pentaho Business Analytics Server KEVCVSS 3.1HIGH 8.8
TI-2021-11702 An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business… CVSS 3.1HIGH 7.5
TI-2005-00319 Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with… CVSS 2.0MEDIUM 5.0
TI-2022-21585 Code injection in Hitachi Vantara Pentaho Business Analytics Server CVSS 3.1HIGH 8.8
TI-2022-21507 Hitachi Vantara Pentaho Business Analytics Server - Incorrect Permission Assignment for Critical Resource CVSS 3.1HIGH 8.8

See all 256 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences