CVE-2026-87426

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-87426
StatePUBLISHED
Assignerbrocade
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-08 07:16:33 UTC
Updated2026-10-14 18:50:59 UTC
DescriptionAn unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from [email protected]

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.001530000 probability, percentile 0.039880000 (date 2026-10-14)

Problem Types: CWE-200 | CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.3MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS5.3MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Broadcom Brocade Active Support Connectivity Gateway All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Brocade Brocade Active Support Connectivity Gateway affected 3.5.0 Brocade ASC-G Not specified

References

ReferenceSourceLinkTags
support.broadcom.com/external/content/SecurityAdvisories/0/38393 [email protected] support.broadcom.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Security update provided in Brocade ASCG 3.5.0

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