---
title: "CVE-2026-87687: Brocade Fabric OS - Broken Access Control"
description: "Brocade Fabric OS < 9.2.2d and 10.0.0 through 10.0.0a1 contain an authorization and input validation vulnerability caused by improper validation of fabric identifiers, letting authenticated restricted users perform unauthorized cross-fabric operations and view configuration details, exploit requires authenticated user with restricted privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-87687/
---

# CVE-2026-87687 Brocade Fabric OS - Broken Access Control

Brocade Fabric OS < 9.2.2d and 10.0.0 through 10.0.0a1 contain an authorization and input validation vulnerability caused by improper validation of fabric identifiers, letting authenticated restricted users perform unauthorized cross-fabric operations and view configuration details, exploit requires authenticated user with restricted privileges.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.19% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-87687)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Broken Access Control

CVSS vector

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

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-88](https://cwe.mitre.org/data/definitions/88.html)

## Vendor fix

Update to version 9.2.2d or later, or 10.0.0a2 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-2026-87687](https://nvd.nist.gov/vuln/detail/CVE-2026-87687)
- [https://support.broadcom.com/external/content/SecurityAdvisories/0/39081](https://support.broadcom.com/external/content/SecurityAdvisories/0/39081)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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