CVE-2026-87664 Brocade Fabric OS - Broken Access Control

Brocade Fabric OS 9.2.2d and 10.0.0 through 10.0.0a1 contain a broken access control vulnerability caused by improper verification of IPC storage callbacks in the web management daemon, letting attackers gain administrative privileges without authentication.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.12% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest available version beyond 10.0.0a1.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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