threat-intel CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification Researchers have uncovered two denial-of-service (DoS) attacks exploiting how Content Delivery Networks (CDNs) handle HTTP/3 traffic, leading to significant amplification of requests and causing severe performance issues for origin servers. The attacks, dubbed ‘CDN Tsunami,’ leverage a mismatch between CDN-supported HT… The Hacker News · Aug 20, 2026 High CVE-2026-14456CHSIcdnddoshttp3
threat-intel HTTP/2 Bomb Attacks Put Telcos, Healthcare Orgs at Risk This article reports on the ‘HTTP/2 Bomb’ vulnerability, a denial-of-service exploit leveraging features within the HTTP/2 protocol to amplify junk traffic and cause widespread disruptions. The vulnerability affects a si… Dark Reading · Jun 15, 2026 High CVE-2026-49975UShttp2ddosamplification