High severity · published Sep 1, 2026
CVE-2026-73710
Unauthenticated Denial of Service Vulnerabilities in API Endpoint of HPE Networking Fabric Composer
8.2
CVSS
0.5%
EPSS
No
On KEV
Description
Vulnerabilities in an API endpoint 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 make limited unauthorized modifications to the underlying operating system and disrupt the availability of the affected system, requiring manual intervention to restore functionality.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% 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-2026-73710
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73710
Vendor Advisory
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
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