Threat actors are actively exploiting a critical zero-day vulnerability in Citrix NetScaler, identified as CVE-2026-88772, to gain unauthenticated root-level access to vulnerable Application Delivery Controller (ADC) and Gateway appliances. After the initial compromise, they deploy custom PHP web shells and tools to tunnel within the internal network. Mandiant Consulting and the Google Threat Intelligence Group […] The post Hackers Exploit Citrix NetScaler Zero-Day to Gain Root Access and Deploy Web Shells appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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