CVE-2026-94583: A race condition vulnerability exists in the request processing logic of the REST management interface on Broc

Q: How do I fix CVE-2026-94583?

fabric operating system: upgrade to 10.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-94583 being exploited?

CVE-2026-94583 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-94583 affect?

CVE-2026-94583 affects fabric operating system. Severity is low (CVSS 2.6). A race condition vulnerability exists in the request processing logic of the REST management interface on Brocade Fabric OS versions before 10.0.1. When handling concurrent incoming network management FCIP requests, a timing window exists b

Q: How urgent is CVE-2026-94583?

Priority 9/100. No elevated risk signals yet.

Routine

LOW 2.6UPGRADE

CVE-2026-94583 is a low-severity flaw (CVSS 2.6) affecting fabric operating system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A race condition vulnerability exists in the request processing logic of the REST management interface on Brocade Fabric OS versions before 10.0.1. When handling concurrent incoming network management FCIP requests, a timing window exists between when a request populates the address variable and when the service constructs and returns the response context. As a result, the first request adopts the modified context, causing the service to return s

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.6 (Low)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-362
Published	2026-10-08
Last modified	2026-10-14

Publisher (CNA): Brocade Communications Systems, LLC · Vendor: broadcom

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-08 03:16 UTCPublished CVE record published
2026-10-14 14:07 UTCUpdated Record last modified

broadcom fabric operating system UPGRADE

Affected: < 10.0.1

Fixed in: 10.0.1

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-94583?

fabric operating system: upgrade to 10.0.1. Exact commands for each OS are on this page.

Is CVE-2026-94583 being exploited?

CVE-2026-94583 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-2026-94583 affect?

CVE-2026-94583 affects fabric operating system. Severity is low (CVSS 2.6). A race condition vulnerability exists in the request processing logic of the REST management interface on Brocade Fabric OS versions before 10.0.1. When handling concurrent incoming network management FCIP requests, a timing window exists b

How urgent is CVE-2026-94583?

Priority 9/100. No elevated risk signals yet.

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References

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