🛡️ **BREAKING: Two Unpatched Citrix NetScaler RCE Zero-Days Under Active Exploitation**
Published Sunday, September 27, 2026 at 05:50 AM PT BLUF: Two remote code execution vulnerabilities in Citrix NetScaler are actively being exploited in the wild with no patches available. Organizations operating Citrix NetScaler appliances require immediate defensive measures; no vendor remediation is currently available. DETAILS Citrix NetScaler devices are confirmed targets of active exploitation for two distinct RCE zero-day vulnerabilities Both flaws lack vendor patches; patches have not been announced or released at this time Attack activity is ongoing in production environments; exploitation is not theoretical Citrix NetScaler is commonly deployed as an ingress point and load balancer in enterprise networks, making it a high-value attack vector Source attribution: The Hacker News breach alert syndication (article published as active warning) IMPACT ...