major vulnerability· requires attention

Unauthenticated adjacent RCE in HPE Networking Fabric Composer affects enterprise network infrastructure and can cause widespread disruption.

Networks

CVE-2026-95733

9.6

Critical

EPSS n/a

Unauthenticated adjacent RCE in HPE Networking Fabric Composer (critical).

exploited

No known exploitation not in CISA KEV as of our last sync

fix

No fixed release stated by the publisher

likelihood

No EPSS score yet

Published 3 Nov 2026Analysed here 5 Nov 2026CVSS scored by the publisher (CNA)

common questions

Is CVE-2026-95733 being exploited?

Not confirmed. CVE-2026-95733 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.

How severe is CVE-2026-95733?

CVE-2026-95733 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-95733?

Not known from our data. No patch reference has been recorded for CVE-2026-95733, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.

What does CVE-2026-95733 affect?

CVE-2026-95733 affects HPE Networking Fabric Composer. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-95733?

Isolate Fabric Composer, restrict adjacency, apply vendor patch/mitigations when available

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary

technical analysis

affected

HPE Networking Fabric Composer

impact

Unauthenticated adjacent attacker can execute arbitrary code, fully compromise Fabric Composer, access configs, and enable lateral movement.

action required

Immediate action required

affected versions

Hewlett Packard Enterprise (HPE) Fabric Composer

affected<= 7.4.0
affected>= 7.0.0 and <= 7.3.4

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

timeline

3 Nov 2026Published
3 Nov 2026CVE record last updated · same day later
5 Nov 2026Analysed by vulneraibility.com · 1 day later

how to fix

Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.

references

NVD CVE.org CVE Details Source

1 reference in the CVE record: 1 link

Linksupport.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05172en_us&docLocale=en_US

sources

CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
NVD: CVSS and CPE data
FIRST EPSS: exploit probability and percentile
Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.

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