# CVE-2026-73732: HPE Networking Fabric Composer privilege escalation via OS vulnerability

Source: https://junglewise.ai/threats/cve-2026-73732-hpe-networking-fabric-composer-privilege-escalation-via-os  
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-2026-73732 · Severity: medium · CVSS 5.6 · Published 2026-09-01

HPE Networking Fabric Composer is a management platform for network fabrics used in enterprise data centers. An authenticated low-privilege operator can exploit an underlying OS vulnerability to read sensitive information on the device, potentially gaining credentials or configuration data to compromise the system and connected infrastructure.

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-2026-73732 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73732 being exploited in the wild.

**How severe is CVE-2026-73732?** Medium severity, with a CVSS score of 5.6, published 1 September 2026.

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

**Is there a fix for CVE-2026-73732?** 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-2026-73732 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-73732?** 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 exists in the underlying operating system running HPE Networking Fabric Composer. An authenticated attacker with low-privilege local access can exploit an unspecified OS-level weakness to read sensitive files or memory containing credentials, configuration details, or other confidential data. The attack requires authentication and local access to the appliance. Successful exploitation enables information disclosure that could facilitate further privilege escalation or lateral movement to other systems on the network.

## 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)