High severity · published Sep 1, 2026
CVE-2026-73715
Unauthenticated Denial-of-Service (DoS) Vulnerability in the API of HPE Networking Fabric Composer
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability in the API of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to disrupt the availability of the affected interface.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% 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-2026-73715
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73715
Vendor Advisory
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
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