What’s Vulnerable › Vulnerabilities
CVE-2026-87426
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-08 · updated 2026-10-14
- Weakness: CWE-200
Description
An 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.
Affected products
- Brocade Active Support Connectivity Gateway: before 3.5.0 — fixed in 3.5.0
How to fix
Upgrade to a fixed version: Brocade Active Support Connectivity Gateway 3.5.0. Check the vendor advisory for mitigations.
References
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