#1
CyberScoop
general
October 05, 2026 at 23:07 UTC
Citrix discloses third actively exploited NetScaler zero-day in less than a week
By Matt Kapko
AI Summary
Citrix disclosed a third actively exploited zero-day in NetScaler within a single week, marking an unprecedented concentration of critical vulnerabilities in a widely-deployed network appliance. While vendors characterized this latest defect as lower-impact than the prior pair, three zero-days in rapid succession signals systemic risk for organizations running customer-managed NetScaler deployments. Security teams should audit all NetScaler ADC and Gateway appliances immediately and verify patch status against all three CVEs.
Relevance score: 88.0/100
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