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VULNERABILITIES

CVE-2026-87670 Details

Description

An authorization logic vulnerability exists in the Brocade Fabric OS versions before 10.0.1 REST API gateway. The internal gate guarding restricted management endpoints relies exclusively on client-controlled HTTP headers. An authenticated user with any valid REST session can spoof these headers to gain unauthorized access to internal management endpoints. This allows low-privilege users to view sensitive chassis metadata, hardware memory patrolling state, and firmware integrity audit logs.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://support.broadcom.com/external/content/SecurityAdvisories/0/39140 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-290Authentication Bypass by Spoofing[email protected]

Affected Products

ProductVersions
broadcom fabric operating system
< 10.0.1

CPE

  • cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-87670
NVD Published Date:
Oct 8, 2026
NVD Last Modified:
Oct 13, 2026
Source:
[email protected]
CVE-2026-87670 Details - Not Deferred