What’s Vulnerable › Vulnerabilities
CVE-2026-87681
- Severity: medium (CVSS 6.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-08 · updated 2026-10-13
- Weakness: CWE-269
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.
Affected products
- Brocade Fabric OS: before 10.0.1 — fixed in 10.0.1
How to fix
Upgrade to a fixed version: Brocade Fabric OS 10.0.1. Check the vendor advisory for mitigations.
References
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