CVE-2026-87687 Brocade Fabric OS - Broken Access Control

Brocade Fabric OS < 9.2.2d and 10.0.0 through 10.0.0a1 contain an authorization and input validation vulnerability caused by improper validation of fabric identifiers, letting authenticated restricted users perform unauthorized cross-fabric operations and view configuration details, exploit requires authenticated user with restricted privileges.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Broken Access Control
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-88

Vendor fix

Update to version 9.2.2d or later, or 10.0.0a2 or later.

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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