CVE-2026-73723: A privilege escalation vulnerability exists in the web-based management interface of HPE Networking Fabric Com

Q: How do I fix CVE-2026-73723?

fabric composer: upgrade to 7.3.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-73723 being exploited?

CVE-2026-73723 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-73723 affect?

CVE-2026-73723 affects fabric composer. Severity is high (CVSS 7.1). A privilege escalation vulnerability exists in the web-based management interface of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to complete state-changing actions that sh

Routine

HIGH 7.1UPGRADE

CVE-2026-73723 is a high-severity flaw (CVSS 7.1) affecting fabric composer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A privilege escalation vulnerability exists in the web-based management interface of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to complete state-changing actions that should not be allowed by their current level of authorization on the platform.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-863, CWE-269
Published	2026-09-01
Last modified	2026-09-02

Publisher (CNA): Hewlett Packard Enterprise (HPE) · Vendor: arubanetworks

Last updated 2026-09-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-01 20:17 UTCPublished CVE record published
2026-09-02 16:17 UTCUpdated Record last modified

arubanetworks fabric composer UPGRADE

Affected: < 7.3.4

Fixed in: 7.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fabric-composer || rpm -q fabric-composer || fabric-composer --version

2. UPGRADE to 7.3.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fabric-composer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fabric-composer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-73723?

fabric composer: upgrade to 7.3.4. Exact commands for each OS are on this page.

Is CVE-2026-73723 being exploited?

CVE-2026-73723 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-73723 affect?

CVE-2026-73723 affects fabric composer. Severity is high (CVSS 7.1). A privilege escalation vulnerability exists in the web-based management interface of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to complete state-changing actions that sh

How urgent is CVE-2026-73723?

Priority 32/100. High severity

Related CVEs

CVE-2026-19766 CRITICAL 9.6 UPGRADE An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Comp
CVE-2026-73712 HIGH 8.1 UPGRADE A vulnerability in the API of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to
CVE-2026-73728 MEDIUM 6.5 UPGRADE Denial-of-service vulnerabilities exist in the API of HPE Networking Fabric Composer that could allow an authe
CVE-2026-73729 MEDIUM 6.5 UPGRADE A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authentica
CVE-2026-73730 MEDIUM 6.5 UPGRADE A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer

References

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