CVE-2026-87681
Medium
Description
An Access Control Bypass vulnerability exists in the Role-Based Access Control (RBAC) validation engine of Brocade Fabric OS versions before 10.0.1. When processing certain management protocol operations, the RBAC engine incorrectly categorizes non-standard action opcodes during permission checks. This allows authenticated users with read-only management privileges to bypass access controls and execute restricted administrative operations.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Broadcom Fabric Operating System
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Update
- broadcom fabric_operating_system10.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| broadcom fabric_operating_system | v < 10.0.1 | 10.0.1 |
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