CVE-2026-13762 — HTTP/2 Stream Parser Confusion Body-Inspection Bypass in Amazon CloudFront with AWS WAF

CVE-2026-13762

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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
AWS / Amazon CloudFront	affected 0

CWE

CWE-444

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.