CRITICALZero Day
Global

US, UK warn of exploited Citrix NetScaler zero-day bugs

·Source: The Record

Updated:

Executive Summary

Incident responders began warning of potential vulnerabilities in NetScaler Gateway products on Saturday before cybersecurity agencies in the Netherlands, U.S. and U.K. released advisories on Sunday confirming vulnerabilities. Citrix itself confirmed eight new vulnerabilities.

Analysis

Incident responders began warning of potential vulnerabilities in NetScaler Gateway products on Saturday before cybersecurity agencies in the Netherlands, U.S. and U.K. released advisories on Sunday confirming vulnerabilities. Citrix itself confirmed eight new vulnerabilities.
Source Attribution

Originally published by The Record on Sep 28, 2026.

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