PatchTheCVECVE-2026-73730: A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer
CVE-2026-73730 is a medium-severity flaw (CVSS 6.5) affecting fabric composer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to change the state of certain settings of a vulnerable system.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-269 |
| Published | 2026-09-01 |
| Last modified | 2026-09-03 |
Last updated 2026-09-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-73730?
fabric composer: upgrade to newer than 7.3.3. Exact commands for each OS are on this page.
Is CVE-2026-73730 being exploited?
CVE-2026-73730 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-73730 affect?
CVE-2026-73730 affects fabric composer. Severity is medium (CVSS 6.5). A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to change the state of certain settings of a vulnerable system.
How urgent is CVE-2026-73730?
Priority 28/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-19766 CRITICAL 9.6 UPGRADE An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Comp
- CVE-2026-73712 HIGH 8.1 UPGRADE A vulnerability in the API of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to
- CVE-2026-73728 MEDIUM 6.5 UPGRADE Denial-of-service vulnerabilities exist in the API of HPE Networking Fabric Composer that could allow an authe
- CVE-2026-73729 MEDIUM 6.5 UPGRADE A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authentica
- CVE-2026-73742 MEDIUM 4.3 UPGRADE A vulnerability in an API endpoint of HPE Networking Fabric Composer could allow an authenticated low privileg