CVE-2026-73728: Authenticated Denial of Service Vulnerabilities in HPE Networking Fabric Composer API
Vulnerability summary
CVE-2026-73728 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in arubanetworks fabric_composer. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35.2% of scored vulnerabilities.
Timeline
- 01-09-2026PublishedVulnerability first disclosed.
- 02-09-2026Last modifiedVulnerability information updated.
Description
Denial-of-service vulnerabilities exist in the API of HPE Networking Fabric Composer that could allow an authenticated low privilege operator user to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
Increase +0.18 pp
From 0.24% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arubanetworks1 product
- fabric_composer≤ 7.3.3
Hewlett packard enterprise (hpe)1 product
- fabric composer≥ 7.0.0, ≤ 7.3.3
2 vendors · 2 products