CVE-2026-85486

Improper Input Validation Enables Remote Code Execution in Brocade ASCG

Published Oct 8, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation. When an authenticated user submits a configuration form, the submitted text could immediately be processed. A malicious actor with basic access can supply crafted input to execute arbitrary code on the server and take control of the application.

Remediation

Vendor Solution

Security update provided in Brocade ASCG 3.5.0

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.0, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Broadcom
Broadcom brocade Active Support Connectivity Gateway
Vendors & Products Broadcom
Broadcom brocade Active Support Connectivity Gateway
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Improper Input Validation Enables Remote Code Execution in Brocade ASCG
Type Values Removed Values Added
Description Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation. When an authenticated user submits a configuration form, the submitted text could immediately be processed. A malicious actor with basic access can supply crafted input to execute arbitrary code on the server and take control of the application.
Weaknesses CWE-95
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
brocade
Published
Updated
Oct 8, 2026, 5:47 PM
Reserved
Sep 3, 2026, 9:31 PM
Status
Analyzed
Published
Oct 8, 2026, 7:16 AM
Modified
Oct 14, 2026, 6:48 PM