The article describes a critical pre-authentication remote code execution vulnerability (CVE-2026-8452, CVSS 9.8) in Citrix NetScaler Application Delivery Controller. Affected versions include those before 13.1-37.272, 13.1 versions before 13.1-63.18, and 14.1 versions before 14.1-72.61. The fixed versions are 13.1-37.272, 13.1-63.18, and 14.1-72.61, respectively.
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