PatchTheCVECVE-2026-73705: An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticate
CVE-2026-73705 is a high-severity flaw (CVSS 8.8) affecting fabric composer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary commands on the underlying operating system, leading to complete compromise of the affected system.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 51%) |
| CISA exploited list | No |
| Weakness | CWE-552 |
| Published | 2026-09-01 |
| Last modified | 2026-09-02 |
Last updated 2026-09-02 · 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-2026-73705?
fabric composer: upgrade to 7.3.4. Exact commands for each OS are on this page.
Is CVE-2026-73705 being exploited?
CVE-2026-73705 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-2026-73705 affect?
CVE-2026-73705 affects fabric composer. Severity is high (CVSS 8.8). An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to exe
How urgent is CVE-2026-73705?
Priority 43/100. High severity
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-2026-73730 MEDIUM 6.5 UPGRADE A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer