2 reports · 2 sources · tracked since 1w ago Actively exploited

Critical Citrix NetScaler auth bypass now leveraged in attacks

vulnerabilityzero day CVE-2026-19490

Why this ranks Transparent score: 15

coverage +6 source breadth +4 urgency +5 freshness +0

What changed

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Every report remains linked to its original publisher.

BleepingComputer Sep 4, 2026, 3:25 PM UTC First observed

Critical Citrix NetScaler auth bypass now leveraged in attacks ↗

Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. [...]
SecurityWeek Sep 10, 2026, 12:20 PM UTC Coverage expanded

Critical NetScaler Vulnerability Exploited in Attacks ↗

Tracked as CVE-2026-19490, the authentication bypass flaw has been exploited in the wild since at least September 3. The post Critical NetScaler Vulnerability Exploited in Attacks appeared first on SecurityWeek.