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Schedule47High8.5VulnerabilityCVE-2026-87687No patch link observed

CVE-2026-87687 — An authorization and input validation vulnerability exists in Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1.

Published Oct 8, 2026, 04:17 AM UTCIngested 19h agoSource NVD(cve-db)CVE-2026-87687

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.

CVSS v4.0 base metrics

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/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
8.5

High severity

Band computed from the CVSS base score, not the source's own label — so it means the same thing across every feed.

AV

Adjacent

Attack Vector

AC

Low

Attack Complexity

AT

None

Attack Requirements

PR

Low

Privileges Required

UI

None

User Interaction

VC

High

Confidentiality (Vulnerable System)

VI

High

Integrity (Vulnerable System)

VA

None

Availability (Vulnerable System)

SC

None

Confidentiality (Subsequent System)

SI

None

Integrity (Subsequent System)

SA

None

Availability (Subsequent System)

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