# CVE-2026-23596: Unauthenticated Improper Access Control in management API allows unauthorized service disruption

> Unauthenticated attackers can trigger service restarts in HPE Aruba Private 5G Core, causing denial of service.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Feb 2026
- **Updated:** 18 Feb 2026
- **Also known as:** GHSA-8rh3-rvv2-3mr4

## What is CVE-2026-23596?

CVE-2026-23596 is a medium-severity missing authorization vulnerability in Hewlett Packard Enterprise (HPE) HPE Aruba Networking Private 5G Core, published on 17 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the management API of the affected product could allow an unauthenticated remote attacker to trigger service restarts. Successful exploitation could allow an attacker to disrupt services and negatively impact system availability.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2026-23596?

It affects 1 product.


Products: Hpe Aruba Networking Private 5g Core.

## How do I fix CVE-2026-23596?

No fix has been published for CVE-2026-23596 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-23596 being exploited?

There is no known exploitation of CVE-2026-23596 in the wild and no public exploit code.

## Other vulnerabilities in Hewlett Packard Enterprise (HPE) HPE Aruba Networking Private 5G Core

- [CVE-2026-23818](https://insights.sbomify.com/CVE-2026-23818/): Open Redirect Vulnerability in HPE Aruba Networking Private 5G Core On-Prem (high 8.8)
- [CVE-2026-23595](https://insights.sbomify.com/CVE-2026-23595/): Unauthenticated Authentication Bypass in application API allows unauthorized administrative account creation (high 8.8)
- [CVE-2026-23597](https://insights.sbomify.com/CVE-2026-23597/): Unauthenticated Information Disclosure in application API allows sensitive system information exposure (medium 6.5)
- [CVE-2026-23598](https://insights.sbomify.com/CVE-2026-23598/): Unauthenticated Information Disclosure in application API allows sensitive system information exposure (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-23596 and fix it if it is affected.

What it is: CVE-2026-23596 is a medium-severity missing authorization vulnerability in Hewlett Packard Enterprise (HPE) HPE Aruba Networking Private 5G Core, published on 17 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-23596 in the wild and no public exploit code.

Affected product: Hewlett Packard Enterprise (HPE) HPE Aruba Networking Private 5G Core. 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-2026-23596/ (Markdown: https://insights.sbomify.com/CVE-2026-23596/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-23596
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-23596
- OSV: https://osv.dev/vulnerability/CVE-2026-23596

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-23596/
Summaries are generated and may contain mistakes; the official description above is the record.