Critical Citrix NetScaler Vulnerability Exploited in the Wild
Researchers from watchTowr and Defused have found evidence that attackers are actively exploiting CVE-2026-3055, a critical NetScaler vulnerability
Explore the latest Citrix security updates, vulnerabilities, and best practices. Stay informed on protecting your Citrix environment with our insights.
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Citrix delivers virtualization and remote access platforms that enable users to run applications and desktops hosted on centralized servers. These technologies support remote work by providing virtualized environments accessible from various devices, often serving as gateways to internal corporate networks. Key components include virtual apps, desktops, and networking tools that facilitate secure connections to enterprise resources.
Citrix environments are critical security targets because vulnerabilities can allow attackers to bypass authentication, execute remote code, or escalate privileges, potentially leading to broader network compromise. Security risks increase with misconfigurations or delayed patching of known flaws. Defenders should prioritize timely updates, enforce strong multi-factor authentication, and monitor remote sessions for unusual activity to reduce exposure to exploitation attempts targeting Citrix infrastructure.
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Researchers from watchTowr and Defused have found evidence that attackers are actively exploiting CVE-2026-3055, a critical NetScaler vulnerability