SecurityThe Hacker Newsabout 2 hours ago
NatJack Attacks Hijack NAT Connections Across Platforms
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Researcher Malcolm Stagg disclosed NatJack, an attack class manipulating NAT connection state to hijack TCP sessions, spoof DNS, and exhaust tables. Two CVEs were assigned: CVE-2026-56181 in Windows NAT and CVE-2026-63913 in Linux Netfilter. Thirteen vendors were notified; all tested products were vulnerable.
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