High severity · published Sep 1, 2026
CVE-2026-73707
Authenticated Privilege Escalation via Broken Access Control in HPE Networking Fabric Composer API
8.5
CVSS
0.3%
EPSS
No
On KEV
Description
Privilege escalation vulnerabilities exist in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to complete state-changing actions that should not be allowed by their current level of authorization on the platform, including changes to the configuration of systems managed by the affected product.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% 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-2026-73707
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73707
Vendor Advisory
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
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