CVE-2026-73727
Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer API
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.
INFO
Published Date :
Sept. 1, 2026, 8:17 p.m.
Last Modified :
Sept. 1, 2026, 9:08 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-73727
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
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | eb103674-0d28-4225-80f8-39fb86215de0 | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Apply vendor security updates for HPE Fabric Composer.
- Enforce strict authorization controls in the API.
- Limit operator access to only necessary data.
- Monitor API access logs for suspicious activity.
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-2026-73727.
| 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-2026-73727 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-2026-73727
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-2026-73727 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-73727 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 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/73xxx/CVE-2026-73727.json">CVE-2026-73727</a> Added Reference https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US