# CVE-2026-71375: XXE Vulnerability in Cosminexus Component Container

> An attacker can exploit an XML External Entity vulnerability in Hitachi Cosminexus Component Container to read sensitive files or cause denial of service.

- **Severity:** High 7.4 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Sep 2026
- **Updated:** 8 Sep 2026
- **Also known as:** GHSA-44fm-q5rc-wxj2

## What is CVE-2026-71375?

CVE-2026-71375 is a high-severity vulnerability in Hitachi Cosminexus Component Container, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper restriction of XML external entity reference vulnerability in Cosminexus Component Container.

This issue affects Cosminexus Component Container: from 11-70-01 before 11-70-03, from 11-60 before 11-60-03, from 11-50 through 11-50-03, from 11-40 through 11-40-03, from 11-30 through 11-30-08, from 11-20 before 11-20-10, from 11-10 through 11-10-11, from 11-00 before 11-00-13, from 09-87 before 09-87-10, from 09-80 before 09-80-05, from 09-70 before 09-70-28, from 09-50 through 09-50-22, and from 09-00 through 09-00-18.

Weakness: CWE-611 (Improper Restriction of XML External Entity Reference)

## Which versions are affected by CVE-2026-71375?


## How do I fix CVE-2026-71375?

No fix has been published for CVE-2026-71375 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-71375 being exploited?

There is no known exploitation of CVE-2026-71375 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-71375 and fix it if it is affected.

What it is: CVE-2026-71375 is a high-severity vulnerability in Hitachi Cosminexus Component Container, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-71375 in the wild and no public exploit code.

Affected product: Hitachi Cosminexus Component Container. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-71375/ (Markdown: https://insights.sbomify.com/CVE-2026-71375/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-71375
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-71375
- OSV: https://osv.dev/vulnerability/CVE-2026-71375

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-71375/
Summaries are generated and may contain mistakes; the official description above is the record.