Citrix has released urgent security updates for NetScaler ADC and Gateway to address a zero-day vulnerability involving SAML authentication. This flaw is reportedly being exploited in targeted attacks, allowing threat actors to bypass authentication mechanisms under specific configurations. Organizations using these appliances as SAML Service Providers or Identity Providers are at significant risk.
Administrators are strongly urged to apply the available patches immediately to mitigate the risk of unauthorized access. This incident highlights the persistent interest threat actors have in exploiting edge networking infrastructure to gain a foothold in corporate environments.
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