What’s Vulnerable › Vulnerabilities

CVE-2026-73746: Authenticated Denial of Service Vulnerability in HPE Networking Fabric Composer API

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-01 · updated 2026-09-02
• Weakness: CWE-400

Description

A denial-of-service vulnerability exists in the API of HPE Networking Fabric Composer that could allow an authenticated low privilege operator user to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service.

Affected products

• Hewlett Packard Enterprise (HPE) Fabric Composer: before 7.3.4 — fixed in 7.3.4

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) Fabric Composer 7.3.4. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-73746 or the next vulnerability affects your stack