Critical Citrix NetScaler vulnerabilities disclosed by CERT advisories

On 2026-09-27 and 2026-09-28, CERT-EU and CERT-Bund (BSI) issued critical security advisories for Citrix NetScaler ADC and Gateway products, reporting remote code execution vulnerabilities. Additional high-severity flaws in Budibase, QEMU, ESRI ArcGIS, and Kiteworks were also published during this period.

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