CVE-2026-76657CWE-287

CVE-2026-76657

Critical · published September 2, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
54.3
In the wild
Unconfirmed
What it is

Vulnerabilities have been identified in the API of HPE Networking Fabric Composer that could potentially allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative privileges leading to complete compromise of the HPE Networking Fabric Composer host.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00746 · 54.3th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-02T00:17Z
Affected products (1)
ProductVersionsFixed in
arubanetworks/fabric_composer< 7.3.47.3.4
References (1)
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 01 SEP 19:47Z
    Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
    cvelistv5