major vulnerability· requires attention

Unauthenticated command injection in Brocade SANnav can alter Fibre Channel fabric configs and container runtimes, risking major storage disruption across enterprises and data centers.

Infrastructure

CVE-2026-82370

8.6

High

EPSS 0.60%Patch available

Unauthenticated command injection in Brocade SANnav allows admin CLI and container control.

exploited

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

fix

Patch available see the advisory in the references

likelihood

EPSS 0.60%top 51% of scored CVEs

Published 23 Sept 2026Analysed here 26 Sept 2026CVSS scored by the publisher (CNA)

common questions

Is CVE-2026-82370 being exploited?

Not confirmed. CVE-2026-82370 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. EPSS currently estimates a 0.60% probability of exploitation in the next 30 days.

How severe is CVE-2026-82370?

CVE-2026-82370 is rated High with a CVSS score of 8.6. 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-2026-82370?

Yes. A fix has been recorded for CVE-2026-82370. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-82370 affect?

CVE-2026-82370 affects Brocade SANnav orchestrator < 3.0.1a, Managed Brocade Fibre Channel switches, Containers on SANnav host. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-82370?

Upgrade SANnav to 3.0.1a+, restrict management access, audit switch configs.

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

executive summary

technical analysis

affected

Brocade SANnav orchestrator < 3.0.1aManaged Brocade Fibre Channel switchesContainers on SANnav host

impact

Unauthenticated network-adjacent command injection: execute administrative switch CLI commands and control containers; can reconfigure FC fabrics and disrupt storage availability.

action required

Immediate action required

affected versions

Brocade SANnav

affectedbefore 3.0.1a

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.

cisa ssvc

exploitation: none
automatable: no
technical impact: total

Assessed by CISA 24 Sept 2026 (SSVC 2.0.3).

timeline

23 Sept 2026Published
24 Sept 2026CISA SSVC assessment: exploitation none · same day later
26 Sept 2026Analysed by vulneraibility.com · 2 days later
1 Oct 2026CVE record last updated · 6 days 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.broadcom.com /web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38

sources

CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
NVD: CVSS and CPE data
CISA Vulnrichment (ADP): SSVC decision points
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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