CVE-2026-73718 Cross-site request forgery in Fabric Composer

High 7.4 Published 1 Sep 2026 Updated 2 Sep 2026

Unauthenticated attackers can exploit CSRF in HPE Fabric Composer to expose sensitive data via crafted URLs, potentially leading to further network access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-73718?

CVE-2026-73718 is a high-severity vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to access sensitive information if the attacker can convince an authenticated user of the interface to interact with a specially crafted URL. Successful exploitation could allow an attacker to retrieve information which could be used to potentially gain further access to network services supported by HPE Networking Fabric Composer.

Weakness: CWE-352

Which versions are affected by CVE-2026-73718?

It affects 1 product.

Products include Arubanetworks Fabric Composer.

How do I fix CVE-2026-73718?

No fix has been published for CVE-2026-73718 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73718 being exploited?

There is no known exploitation of CVE-2026-73718 in the wild and no public exploit code.

All Arubanetworks Fabric Composer vulnerabilities

Sources

Also known as GHSA-fgg4-6rcg-7f3g.