Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer API

published 2026-09-01 2 mo ago modified 2026-09-02 2 mo ago also EUVD-2026-69454

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access sensitive information. A successful exploit allows an attacker to access data beyond what is authorized by the user's existing privilege level, which could be used to potentially gain further access to network services supported by HPE Networking Fabric Composer.

Patch / fix

fixed in 1

arubanetworks fabric_composer 7.3.4

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-09-02)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Hewlett Packard Enterprise (HPE) Fabric Composer

Classification

Weakness

CWE-284 Improper Access Control
CWE-863 Incorrect Authorization

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
vendor-advisory

Sources

CVE List CVE-2026-73727
NVD CVE-2026-73727

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary