Tag: netscaler

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CVE-2026-19490: Critical Citrix NetScaler Authentication Bypass Exposes Enterprise Gateways

Cloud Software Group has released security updates for a critical authentication bypass vulnerability affecting NetScaler ADC and NetScaler Gateway appliances. Tracked as CVE-2026-19490 and rated 9.3 on the CVSS v4.0 scale, the flaw can allow an unauthenticated remote attacker to circumvent authentication controls on vulnerable systems configured as gateways or AAA virtual servers. The Critical […]

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security

SANS Stormcast Thursday, August 20th, 2026: Cloud Metadata Scans; Oracle and Netscaler Patches; Fake Ransomware Rescuers

Simple Scans for Cloud Metadata Service https://isc.sans.edu/diary/Simple%20Scans%20for%20Cloud%20Metadata%20Service/33260 Oracle Critical Security Patch Update Advisory – August 2026 https://www.oracle.com/security-alerts/cspuaug2026.html NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19489 and CVE-2026-19490 https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696939 Beware of Ransomware Rescuers https://www.guidepointsecurity.com/blog/beware-ransom-busters/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

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