CVE-2026-13762

HTTP/2 Stream Parser Confusion Body-Inspection Bypass in Amazon CloudFront with AWS WAF

CVSS 7.9 HIGHEPSS 0.4%CWE-444

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 7.9EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

29 jun 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

Inconsistent interpretation of HTTP/2 requests in Amazon CloudFront with AWS WAF enabled might allow remote actors to bypass AWS WAF managed rule body inspection via crafted HTTP/2 requests that fragment the request body across frames so that only a partial body is inspected. This issue was remediated server-side. No customer action is required.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

Produtos afetados

AWS · Amazon CloudFront

Referências

https://aws.amazon.com/security/security-bulletins/2026-048-aws/