PatchTheCVECVE-2026-73743: A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthe
CVE-2026-73743 is a low-severity flaw (CVSS 3.7) affecting fabric composer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to gain insight into some data handled by the affected interface. A successful exploit could allow an attacker to gain access to some data in a cleartext format possibly exposing other network infrastructure to further compromise.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-319 |
| 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-2026-73743?
fabric composer: upgrade to newer than 7.3.3. Exact commands for each OS are on this page.
Is CVE-2026-73743 being exploited?
CVE-2026-73743 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-2026-73743 affect?
CVE-2026-73743 affects fabric composer. Severity is low (CVSS 3.7). A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to gain insight into some data handled by the affected interface. A successful exploit could allow an att
How urgent is CVE-2026-73743?
Priority 21/100. Remotely exploitable, no login, no user action
Related CVEs
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- 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