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

T1Critical 100Covered by 1 source · first reported by Rapid7 at 19 Aug, 16:46 UTC

Overview On August 19, 2026, a security advisory was published for CVE-2026-19490, a critical authentication bypass vulnerability affecting Citrix NetScaler ADC and NetScaler Gateway. The vulnerability carries a CVSS v4.0 base score of 9.3 and can be exploited remotely by an unauthenticated…

security

Sources

• T1CVE-2026-19490: Critical Vulnerability Affecting Citrix NetScaler ADC and NetScaler GatewayRapid719 Aug, 16:46

Vulnerabilities

• CVE-2026-19490