Over 3,300 Citrix NetScaler devices remain unpatched against a critical vulnerability that allows attackers to bypass authentication by hijacking user sessions, nearly two months after patches were released. Tracked as CVE-2025-5777 and referred to as CitrixBleed 2, this out-of-bounds memory read vulnerability results from insufficient input validation, enabling unauthenticated attackers to access restricted memory regions remotely on devices configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. Successfully exploiting this security flaw could enable threat actors to steal session tokens, credentials, and other sensitive data from public-facing gateways and virtual servers, allowing them to hijack user sessions and bypass multi-factor…