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VulnerabilitiesMar 25, 2026

The NCSC is encouraging UK organisations to take immediate action to mitigate two recently disclo...

NCSC urges UK orgs to mitigate two Citrix NetScaler vulnerabilities immediately.

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Summary

The UK National Cyber Security Centre (NCSC) has issued an urgent advisory for organisations to address two recently disclosed vulnerabilities affecting Citrix NetScaler ADC and Citrix NetScaler Gateway. The CVEs—CVE-2026-3055 and CVE-2026-4368—pose immediate risk to critical infrastructure and require swift mitigation.

Indicators of Compromise

  • cve — CVE-2026-3055
  • cve — CVE-2026-4368