Description
An authorization and input validation vulnerability exists in Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user with restricted privileges in one Virtual Fabric can exploit this issue by submitting a specially crafted request containing an arbitrary fabric identifier. This allows the user to perform unauthorized cross-fabric operations and view configuration details within tenants/Virtual Fabrics to which they have not been granted access.
Published: 2026-10-08
Score: 8.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

Security update is provided in Brocade Fabric OS 9.2.2d and 10.0.1

Tracking

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Advisories

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History

Thu, 08 Oct 2026 05:15:00 +0000

Type Values Removed Values Added
Title Fabric OS Cross‑Fabric Permission Bypass

Thu, 08 Oct 2026 04:45:00 +0000

Type Values Removed Values Added
First Time appeared Brocade
Brocade fabric Os
Vendors & Products Brocade
Brocade fabric Os

Thu, 08 Oct 2026 03:45:00 +0000

Type Values Removed Values Added
Description An authorization and input validation vulnerability exists in Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user with restricted privileges in one Virtual Fabric can exploit this issue by submitting a specially crafted request containing an arbitrary fabric identifier. This allows the user to perform unauthorized cross-fabric operations and view configuration details within tenants/Virtual Fabrics to which they have not been granted access.
Weaknesses CWE-88
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Brocade Fabric Os
cve-icon MITRE

Status: PUBLISHED

Assigner: brocade

Published:

Updated: 2026-10-08T12:53:53.402Z

Reserved: 2026-09-08T22:51:12.186Z

Link: CVE-2026-87687

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-08T04:17:56.360

Modified: 2026-10-08T13:17:21.633

Link: CVE-2026-87687

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T05:00:15Z

Weaknesses
  • CWE-88

    Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')