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CVE-2026-73740

4.4 · MEDIUM

A local privilege escalation vulnerability in HPE Networking Fabric Composer could allow an authenticated privileged user on the underlying host to elevate their user privileges to those of a highe…

Published Sep 1, 2026arubanetworksCWE-269EPSS 0.14%

Overview

CVE-2026-73740 is a medium-severity vulnerability affecting arubanetworks fabric_composer. It was published on September 1, 2026 and has a CVSS 3.1 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A local privilege escalation vulnerability in HPE Networking Fabric Composer could allow an authenticated privileged user on the underlying host to elevate their user privileges to those of a higher role. A successful exploit allows the attacker to change the state of certain settings of the affected system.

Remediation

Check the references section for vendor advisories and patches from arubanetworks. Update fabric_composer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
arubanetworksfabric_composer0Affected

References

Refsupport.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

How CyberStrike helps

Frequently asked questions

What is CVE-2026-73740?

CVE-2026-73740 is a medium-severity vulnerability affecting arubanetworks fabric_composer. It was published on September 1, 2026 and has a CVSS 3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2026-73740?

This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-73740?

Check the references section for vendor advisories and patches from arubanetworks. Update fabric_composer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-73740?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-73740 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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