CVE-2026-73743 Unauthenticated Information Disclosure Leading to Data Exposure in HPE Networking Fabric Composer
Unauthenticated attackers can access cleartext data via the web interface, potentially exposing network infrastructure details.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73743?
CVE-2026-73743 is a low-severity vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to gain insight into some data handled by the affected interface. A successful exploit could allow an attacker to gain access to some data in a cleartext format possibly exposing other network infrastructure to further compromise.
Weakness: CWE-319
Which versions are affected by CVE-2026-73743?
It affects 1 product.
Products include Arubanetworks Fabric Composer.
How do I fix CVE-2026-73743?
No fix has been published for CVE-2026-73743 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73743 being exploited?
There is no known exploitation of CVE-2026-73743 in the wild and no public exploit code.
Other vulnerabilities in Arubanetworks Fabric Composer
- CVE-2026-76657 Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
- CVE-2026-76658 Unauthenticated Remote Code Execution in HPE Networking Fabric Composer SSH Daemon
- CVE-2026-19766 Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer
- CVE-2026-73700 Cross-site scripting in Fabric Composer
- CVE-2026-73701 Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
Sources
Also known as GHSA-w3fv-769w-7rv4.