Towr says two unpatched NetScaler RCE flaws were exploited before fixes, while Citrix has yet to publish a bulletin or patch.
Hackers are conducting a large-scale campaign to exploit the recent CVE-2023-3519 flaw in Citrix NetScaler Gateways to steal user credentials. The flaw is a critical unauthenticated remote code ...
Unknown attackers exploit a patched Citrix NetScaler flaw to gain root access and deploy web shells and a tunneler.
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Citrix NetScaler Zero-Days Spread Mass Exploitation: Patching Won't Remove Backdoors
Citrix NetScaler zero-day vulnerabilities CVE-2026-88771 and CVE-2026-88772 triggered mass internet exploitation within minutes of a proof-of-concept release. With 100+ organizations already ...
Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether ...
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