# CVE-2026-23598: Unauthenticated Information Disclosure in application API allows sensitive system information exposure

> Unauthenticated attackers can access sensitive system information via API error handling, potentially aiding further privilege escalation.

- **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:** 27 Feb 2026
- **Also known as:** GHSA-v929-j8mj-vc74

## What is CVE-2026-23598?

CVE-2026-23598 is a medium-severity 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

Vulnerabilities in the API error handling of an HPE Aruba Networking  5G Core server API could allow an unauthenticated remote attacker to obtain sensitive information. Successful exploitation could allow an attacker to access details such as user accounts, roles, and system configuration, as well as to gain insight into internal services and workflows, increasing the risk of unauthorized access and elevated privileges when combined with other vulnerabilities.

Weakness: CWE-209 (Generation of Error Message Containing Sensitive Information)

## Which versions are affected by CVE-2026-23598?

It affects 1 product.


Products: Hpe Aruba Networking Private 5g Core.

## How do I fix CVE-2026-23598?

No fix has been published for CVE-2026-23598 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-23598 being exploited?

There is no known exploitation of CVE-2026-23598 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-2026-23596](https://insights.sbomify.com/CVE-2026-23596/): Unauthenticated Improper Access Control in management API allows unauthorized service disruption (medium 6.5)
- [CVE-2026-23597](https://insights.sbomify.com/CVE-2026-23597/): 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-2026-23598 and fix it if it is affected.

What it is: CVE-2026-23598 is a medium-severity 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-2026-23598 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-2026-23598/ (Markdown: https://insights.sbomify.com/CVE-2026-23598/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-23598
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-23598
- OSV: https://osv.dev/vulnerability/CVE-2026-23598

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-23598/
Summaries are generated and may contain mistakes; the official description above is the record.