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CVE-2026-19490: NetScaler Auth Bypass Patched

medsocradar_blogPublished 2026-08-21

<h1>CVE-2026-19490: NetScaler Auth Bypass Patched</h1> <p>Cloud Software Group released a critical security bulletin for customer-managed <strong>NetScaler ADC</strong> and <strong>NetScaler Gateway</strong> deployments, fixing two vulnerabilities: <strong>CVE-2026-19490</strong>, an authentication bypass issue, and <strong>CVE-2026-19489</strong>, a memory overflow issue.</p> <p>The higher-risk f

MITRE ATT&CK techniques

IP AddressesT1590.005
VulnerabilitiesT1588.006
Cloud ServicesT1021.007

Indicators of compromise

CVE-2026-19490cve
CVE-2026-19489cve
https://support.citrix.com/external/article/CTX696939/netscaler-adc-and-netscaler-gateway-secu.htmlurl

Original source: https://socradar.io/blog/cve-2026-19490-netscaler-auth-bypass/