CVE-2026-73742

MEDIUM 4.3

Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability in an API endpoint of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to spoof the source address attributed to their requests. Successful exploitation could allow an attacker to cause inaccurate attribution information to be recorded on the affected system.

Vendor	hewlett packard enterprise (hpe)
Product	fabric composer
Published	Sep 1, 2026
Last Updated	Sep 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

Hewlett Packard Enterprise (HPE) / Fabric Composer

7.0.0 ≤ 7.3.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.hpe.com: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

Credits

🔍 This vulnerability was discovered by internal security research at HPE Networking.