4.3

CVE-2026-73741: Authenticated Limited File Read allows Data Exposure in HPE Networking Fabric Composer API

Analyzed
Published 01-09-2026Last modified 01-09-2026

Vulnerability summary

CVE-2026-73741 is a medium (CVSS 4.3) Improper Access Control vulnerability in arubanetworks fabric_composer. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.2% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 01-09-2026
    PublishedVulnerability first disclosed.
  2. 01-09-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

Increase +0.10 pp

From 0.17% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Arubanetworks1 product
Hewlett packard enterprise (hpe)1 product

2 vendors · 2 products

References

1 links