Hackers Hit NetScaler Zero-Days Before Citrix Patched

Incident & Breach Response
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Security Operations

CISA Adds 2 NetScaler Flaws to KEV as Researchers Detail Root-Level Exploit

Chris Riotta (@chrisriotta) •
September 28, 2026    

Hackers are exploiting two critical flaws in Citrix NetScaler, a widely used gateway that organizations rely on to let employees connect to internal systems from anywhere.

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The U.S. Cybersecurity and…