Medium severity · published Sep 1, 2026
CVE-2026-73727
Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer API
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access sensitive information. A successful exploit allows an attacker to access data beyond what is authorized by the user's existing privilege level, which could be used to potentially gain further access to network services supported by HPE Networking Fabric Composer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
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-2026-73727
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73727
Vendor Advisory
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
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