Vulnerability · Published Sep 1, 2026 · Assigned by hpe

CVE-2026-73705Authenticated Arbitrary File Write leads to Remote Code Execution in HPE Networking Fabric Composer

High 8.8

In plain English

A high-severity security flaw in Fabric Composer from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.6%top 50.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary commands on the underlying operating system, leading to complete compromise of the affected system.

Affected products (as reported)

Vendor	Product	Versions
Hewlett Packard Enterprise (HPE)	Fabric Composer	7.0.0 – through 7.3.3

Weakness: CWE-552 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US