Exploitation Expected for Critical Authentication Bypass Patched in Citrix NetScaler
Remote, unauthenticated attackers could exploit the critical-severity flaw without user interaction. The post Exploitation Expected for Critical Authentication Bypass Patched in Citrix NetScaler appeared first on SecurityWeek.
Citrix on Wednesday announced patches for two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical-severity flaw.
The critical bug, tracked as CVE-2026-19490 (CVSS score of 9.3), is described as an authentication bypass using an alternative path, and impacts NetScaler appliances configured as a gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or an AAA virtual server.
It can be exploited by remote, unauthenticated attackers without user interaction, cybersecurity firm Rapid7 says.
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