---
title: "CVE-2026-94585: Brocade Fabric OS - Authentication Bypass"
description: "Brocade Fabric OS < 9.2.2d on MXG610 contains an authentication bypass caused by an unauthenticated endpoint in the Single Sign-On workflow, letting unauthenticated network-adjacent attackers gain administrative access."
url: https://panop.io/threat-heartbeat/CVE-2026-94585/
---

# CVE-2026-94585 Brocade Fabric OS - Authentication Bypass

Brocade Fabric OS < 9.2.2d on MXG610 contains an authentication bypass caused by an unauthenticated endpoint in the Single Sign-On workflow, letting unauthenticated network-adjacent attackers gain administrative access.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-94585)

## Details

Type

Authentication Bypass

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-288](https://cwe.mitre.org/data/definitions/288.html)

## Vendor fix

Update to version 9.2.2d or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-94585](https://nvd.nist.gov/vuln/detail/CVE-2026-94585)
- [https://support.broadcom.com/external/content/SecurityAdvisories/0/39134](https://support.broadcom.com/external/content/SecurityAdvisories/0/39134)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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