CVE-2026-19490: Critical Vulnerability Affecting Citrix NetScaler ADC and NetScaler Gateway

<h2 style="direction: ltr;">Overview</h2><p style="direction: ltr;"><span style="font-size: undefined;">On August 19, 2026, a </span><a href="https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939"><span style="font-size: undefined;">security advisory</span></a><span style="font-size: undefined;"> was published for </span><a href="https://nvd.nist.gov/vuln/detail/CVE-2026