Vulnerability in Arubanetworks Fabric Composer

CVE-2026-73741

A vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to view some system files. Successful exploitation could allow an attacker to access limited data beyond what is authorized by the user's existing privilege level.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% 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-2026-73741: 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-2026-73741?
CVE-2026-73741 is a medium-severity vulnerability in Arubanetworks Fabric Composer, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-09-01.
How severe is CVE-2026-73741?
Medium severity. CVSS v3 base score is 4.3 out of 10.