# CVE-2026-73748: HPE Networking Fabric Composer information disclosure in management interface

Source: https://junglewise.ai/threats/cve-2026-73748-hpe-networking-fabric-composer-information-disclosure-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-01. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-73748 · Severity: low · CVSS 2.2 · Published 2026-09-01

HPE Networking Fabric Composer is a network management tool used to configure and monitor Hewlett Packard Enterprise network infrastructure. An attacker with administrative access to the management interface can retrieve sensitive configuration and credential information in unencrypted form, potentially enabling lateral movement to other network systems managed by the platform.

Technologies: [Arubanetworks Fabric Composer](https://junglewise.ai/threats/technologies/fabric-composer), [Hpe Networking Fabric Composer](https://junglewise.ai/threats/technologies/networking-fabric-composer). Vendors: [Arubanetworks](https://junglewise.ai/threats/vendors/arubanetworks), [Hpe](https://junglewise.ai/threats/vendors/hpe).

## Quick answers

**Is CVE-2026-73748 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73748 being exploited in the wild.

**How severe is CVE-2026-73748?** Low severity, with a CVSS score of 2.2, published 1 September 2026.

**Which products and versions are affected?** HPE Networking Fabric Composer.

**Is there a fix for CVE-2026-73748?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-73748 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-73748?** Check whether you run Arubanetworks Fabric Composer or Hpe Networking Fabric Composer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability is an information disclosure flaw in the management interface of HPE Networking Fabric Composer. The vulnerability requires administrative privileges to exploit and allows an attacker to access sensitive data (likely configuration details, credentials, or API tokens) transmitted or stored in cleartext. The attack vector is local to the management interface and relies on the attacker already possessing administrative credentials. Retrieved information could be leveraged to compromise downstream network services or gain unauthorized access to resources integrated with the Fabric Composer.

## Affected products

- HPE Networking Fabric Composer

## Timeline

- 2026-09-01: disclosed

## References

- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US)

## Related threats

- [HPE Networking Fabric Composer API race condition](https://junglewise.ai/threats/cve-2026-95772-a-race-condition-vulnerability-exists-in-the-api-of-hpe)
- [HPE Networking Fabric Composer information disclosure in API](https://junglewise.ai/threats/cve-2026-95771-an-authenticated-information-disclosure-vulnerability-exists-in)
- [HPE Networking Fabric Composer information disclosure in OS](https://junglewise.ai/threats/cve-2026-95770-a-sensitive-information-disclosure-vulnerability-in-the)
- [HPE Networking Fabric Composer audit log spoofing](https://junglewise.ai/threats/cve-2026-95769-an-audit-log-spoofing-vulnerability-exists-in-the-api-of-hpe)
- [HPE Networking Fabric Composer API privilege escalation](https://junglewise.ai/threats/cve-2026-95768-a-privilege-escalation-vulnerability-exists-in-the-api-of-hpe)