CVE-2026-73744: HPE Networking Fabric Composer denial of service in management interface

CVE-2026-73744 · Severity: low · CVSS 3.5 · Published 2026-09-01

HPE Networking Fabric Composer provides a web-based interface for managing network fabric infrastructure. A denial-of-service vulnerability in this management interface allows authenticated low-privilege users to disrupt service availability, potentially taking the management console offline and preventing legitimate administrators from managing the network.

Technologies: Arubanetworks Fabric Composer, Hpe Networking Fabric Composer. Vendors: Arubanetworks, Hpe.

Quick answers

Is CVE-2026-73744 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-73744 being exploited in the wild.
How severe is CVE-2026-73744?
Low severity, with a CVSS score of 3.5, published 1 September 2026.
Which products and versions are affected?
HPE Networking Fabric Composer.
Is there a fix for CVE-2026-73744?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-73744 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-73744?
Check whether you run Arubanetworks Fabric Composer or Hpe Networking Fabric Composer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A denial-of-service vulnerability exists in the web-based management interface of HPE Networking Fabric Composer. The vulnerability requires authentication as a low-privilege operator user and can be exploited to cause disruption to the affected interface's availability. The specific root cause and vulnerable component details are not disclosed in the advisory summary. Successful exploitation allows an attacker to disrupt the management interface, though the attack does not appear to lead to data exposure or lateral movement.

Affected products

  • HPE Networking Fabric Composer

Timeline

  • 2026-09-01: disclosed

References

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