CVE-2026-87659High· 7.1▾ TwilightA critical authorization bypass vulnerability exists in the Management Server handling of Brocade Fabric OS versions before 10.0.1. A compromised switch connected to the fabric can transmit crafted inband Fibre Channel vendor-unique CT (…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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A critical authorization bypass vulnerability exists in the Management Server handling of Brocade Fabric OS versions before 10.0.1. A compromised switch connected to the fabric can transmit crafted inband Fibre Channel vendor-unique CT (Common Transport) management requests to bypass administrative authentication. Successful exploitation allows an unauthorized peer switch to execute administrative actions on the target device, including resetting administrative passwords, initiating system reboots, and triggering firmware downloads.
fabric_os < 10.0.1Security update is provided in Brocade Fabric OS 10.0.1
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-87684High· 8.7A stack-based buffer overflow vulnerability exists in the SNMP daemon request handling of Brocade Fabric versions before 10.0.1
CVE-2026-87671High· 7.1An out-of-bounds memory read vulnerability exists in the web management daemon of Brocade Fabric OS versions before 10.0.1
CVE-2026-94578High· 7.5Brocade Fabric OS versions before 10.0.1 contain an authorization logic vulnerability in the AAA (Authentication, Authorization, and Accounting) integration framework allows remote authenticated users to gain root-equivalent chassis acce…
CVE-2026-87686Medium· 5.3An authentication and access control bypass vulnerability exists in the web server management interface of Brocade Fabric OS versions before 10.0.1
CVE-2026-87676Medium· 6.9A stack-based buffer overflow vulnerability exists in the security library component of Brocade Fabric OS versions before 10.0.1
CVE-2026-87678Medium· 6.9An input validation and output encoding vulnerability exists in the web management interface of Brocade Fabric OS versions before 10.0.1