Wire · technology
Critical Citrix NetScaler auth bypass now leveraged in attacks
◆ Sectors
Cybersecurity
◆ Source
◆ Verified
Fusion42 · 5 September 2026 · Fusion42 review
Attackers have started exploiting a critical authentication bypass vulnerability in Citrix NetScaler, leading to ongoing cyberattacks targeting affected organizations. This vulnerability allows unauthenticated access which could lead to data breaches or full system compromise.
This Wire brief sits within Fusion42's coverage of Cybersecurity.
◆ ◆ The Wire takeaway
Security teams running Citrix NetScaler must act immediately to patch or mitigate this bypass vulnerability. Any delay could result in direct attacks on your systems, making this a critical risk to your operational security.
◆ Coverage
1 source · 5 Sep 2026
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◆ Topics
Cybersecuritycitrixauthentication-bypasscyberattackssecurity-vulnerabilitynetscaler