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CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification

🗓️ 20 Aug 2026 11:39:00Reported by The Hacker NewsType 
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🔗 thehackernews.com👁 13 Views

CDN Tsunami abuses HTTP/3-to-HTTP/1.1 translation on six major CDNs to amplify low-bandwidth requests up to 350x against origin servers.

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20 Aug 2026 11:39Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00729
SSVC
13