Quick answers
- Is CVE-2026-73736 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-73736 being exploited in the wild.
- How severe is CVE-2026-73736?
- Medium severity, with a CVSS score of 5.3, published 1 September 2026.
- Which products and versions are affected?
- HPE Networking Fabric Composer.
- Is there a fix for CVE-2026-73736?
- 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-2026-73736 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-73736?
- 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 a path traversal/directory traversal flaw in the web-based management interface of HPE Networking Fabric Composer. The vulnerability allows an unauthenticated remote attacker to read arbitrary files within the affected directory by manipulating file path parameters. No authentication is required to exploit this issue, making it remotely exploitable by any network-accessible user. Successful exploitation enables an attacker to access sensitive system files and configuration information. HPE has released patches to address this vulnerability.
Affected products
- HPE Networking Fabric Composer
Timeline
- 2026-09-01: disclosed