CVE-2026-14456high
CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification
New research has revealed a pair of denial-of-service (DoS) attack techniques, collectively termed "CDN Tsunami," that leverage the protocol translation mechanisms within major content delivery networks. These methods exploit the process by which CDNs convert HTTP/3 requests into HTTP/1.1 for communication with origin servers, enabling attackers to amplify relatively small requests into…