Information disclosure in Arubanetworks Fabric Composer

CVE-2026-73745

A vulnerability in the API endpoint of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to view some information handled by the affected system. Successful exploitation could allow an attacker to gain insight into internal services and workflows, increasing the risk of unauthorized access when combined with other vulnerabilities.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-73745: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73745?
CVE-2026-73745 is a low-severity vulnerability in Arubanetworks Fabric Composer, classified under Information Disclosure. CVSS score: 3.1/10. Published 2026-09-01.
How severe is CVE-2026-73745?
Low severity. CVSS v3 base score is 3.1 out of 10.