CVE-2026-87681High· 7.1▾ TwilightAn 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 cate…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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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