High severity · published Sep 1, 2026
CVE-2026-73719
Authenticated Arbitrary File Write Vulnerability leads to Remote Code Execution in HPE Networking Fabric Composer
7.2
CVSS
0.7%
EPSS
No
On KEV
Description
An arbitrary file write vulnerability exists in the API of HPE Networking Fabric Composer and could allow an authenticated administrative user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary system commands with root privileges on the underlying operating system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FC
Fabric Composer · Hewlett Packard Enterprise (HPE)
7.0.0 through 7.3.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73719
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73719
Vendor Advisory
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
More from Fabric Composer
10.0
CVE-2026-76658
Unauthenticated Remote Code Execution in HPE Networking Fabric Composer SSH Daemon
10.0
CVE-2026-76657
Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
9.6
CVE-2026-19766
Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer
9.0
CVE-2026-73701
Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
9.0
CVE-2026-73700
Authenticated Stored Cross-Site Scripting Vulnerability (XSS) in HPE Networking Fabric Composer Web-Based Management Interface