What’s Vulnerable › Vulnerabilities

CVE-2026-19766: Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-01 · updated 2026-09-04
• Weakness: CWE-287

Description

An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute arbitrary code as a privileged user on the underlying operating system, leading to complete compromise of the AFC host.

Affected products

• Hewlett Packard Enterprise (HPE) Fabric Composer: from 7.0.0 through 7.3.3

References

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

Get alerted when CVE-2026-19766 or the next vulnerability affects your stack