John Z Black

Three Vendors, Three Critical Bugs, All Exploited This Week: The Edge Device Emergency

John Z Black Mar 31, 2026

Vulnerabilities & Patching #f5 #big-ip #citrix #netscaler #fortinet #forticlient-ems #cisa-kev #rce #cve #patch #perimeter-security

F5 BIG-IP, Citrix NetScaler, and Fortinet FortiClient EMS all have critical vulnerabilities under active exploitation this week. Here's what happened and what you need to do right now.

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Citrix Patches CVE-2026-3055 in NetScaler: A 9.3 Memory Flaw That Looks a Lot Like CitrixBleed

John Z Black Mar 26, 2026

Vulnerabilities & Patching #citrix #netscaler #cve-2026-3055 #patching #enterprise-security #vulnerability

Citrix patched a CVSS 9.3 unauthenticated memory read in NetScaler ADC and Gateway that can leak session tokens. No active exploitation yet, but the history of CitrixBleed says don't wait.

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