CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2026-115646
Critical (9.8) in hitachi. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.
Partial String Comparison Vulnerability in HiRDB.
This issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-50-/F through 09-66/V; HiRDB Server Version 9(32): from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-50-/F through 09-66-/V.
Severity
- EPSS
- 0.4% estimated probability of exploitation activity in the next 30 days; 33rd percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-187 Partial String Comparison
- Published
- Assigned by
- Hitachi (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
Show the prompt
Explain CVE-2026-115646 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-115646?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-115646?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-115646 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Affected
- 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)
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Hitachi HiRDB Server Version 10 | from 10-00 before 10-12-01 |
| Hitachi HiRDB Server Version 9 | from 09-50-06 through 09-66-22 |
| Hitachi HiRDB Server with Additional Function Version 9 | from 09-50-/F through 09-66/V |
| Hitachi HiRDB Server Version 9(32) | from 09-50-06 through 09-66-22 |
| Hitachi HiRDB Server with Additional Function Version 9(32) | from 09-50-/F through 09-66-/V |
Fixed in
| Product | Fixed in |
|---|---|
| Hitachi HiRDB Server Version 10 | 10-12-01 |
| Hitachi HiRDB Server Version 10 | 10-11-02 |
| Hitachi HiRDB Server Version 10 | 10-08-05 |