SecurityThe Hacker Newsabout 2 hours ago
NatJack Attacks Hijack TCP Sessions via NAT Tables
1 min read
Security researcher Malcolm Stagg disclosed NatJack, an attack class manipulating NAT connection state to hijack TCP sessions, spoof DNS, expose ports, and exhaust tables. Two CVEs were assigned: CVE-2026-56181 (8.3) in Windows NAT and CVE-2026-63913 (8.2) in Linux Netfilter. No single patch exists; updates and encryption are advised.
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