---
id: CVE-2026-85489
title: >-
  An authentication flaw exists in the Brocade ASCG administrative management
  service component
summary: >-
  An authentication flaw exists in the Brocade ASCG administrative management
  service component. An unauthenticated network user can issue direct API
  requests to perform privileged actions, including accessing sensitive system
  configuratio…
severity: high
cvss: 8.7
cvssVector: 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'
cwe:
  - CWE-306
vendor: Brocade
product: Brocade Active Support Connectivity Gateway
affected:
  - active_support_connectivity_gateway < 3.5.0
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T07:16:32.727'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85489'
references:
  - url: 'https://support.broadcom.com/external/content/SecurityAdvisories/0/38388'
    label: sirt@brocade.com
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-08T07:18:54.845Z'
---

## Overview

An authentication flaw exists in the Brocade ASCG administrative management service component. An unauthenticated network user can issue direct API requests to perform privileged actions, including accessing sensitive system configuration mapping data, modifying managed device inventories, and altering operational settings. This vulnerability affects all versions of Brocade ASCG before 3.5.0.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.