CVE-2026-73706: Authentication Bypass in the API of HPE Networking Fabric Composer allows Data Exposure and Unauthorized Changes
Vulnerability summary
CVE-2026-73706 is a high (CVSS 8.6) vulnerability in arubanetworks fabric_composer. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.6% of scored vulnerabilities.
Timeline
- 01-09-2026PublishedVulnerability first disclosed.
- 02-09-2026Last modifiedVulnerability information updated.
Description
A vulnerability in the API of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to obtain limited system information and to change the state of certain settings of a vulnerable system. Successful exploitation could allow an attacker to gain insight into internal services and workflows and to make unauthorized changes that may disrupt the normal operation of the affected service.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.6HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
Increase +0.17 pp
From 0.28% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arubanetworks1 product
- fabric_composer< 7.3.4
Hewlett packard enterprise (hpe)1 product
- fabric composer≥ 7.0.0, ≤ 7.3.3
2 vendors · 2 products