8.5
HIGH CVSS 3.1
CVE-2026-73707
Authenticated Privilege Escalation via Broken Access Control in HPE Networking Fabric Composer API
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.

INFO

Published Date :

Sept. 1, 2026, 8:17 p.m.

Last Modified :

Sept. 1, 2026, 9:08 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-73707 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH eb103674-0d28-4225-80f8-39fb86215de0
CVSS 3.1 HIGH [email protected]
Solution
Apply HPE updates to fix privilege escalation flaws in Fabric Composer API.
  • Apply HPE vendor-supplied updates.
  • Restrict operator user privileges.
  • Review system configuration changes.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-73707.

URL Resource
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-73707 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-73707 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-73707 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-73707 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 01, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/73xxx/CVE-2026-73707.json">CVE-2026-73707</a>
    Added Reference https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.