What’s Vulnerable › Vulnerabilities

CVE-2026-73704: Authenticated Command Injection Leading to Administrative Access in HPE Networking Fabric Composer API

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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-77

Description

A command sanitization bypass exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to escalate their permissions to those of an administrative user, leading to complete compromise of the affected system.

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

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