CVE-2026-13762
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.
CSIRTS triage
- What
- Issues with HTTP/2 multi-frame request body inspection in AWS WAF could lead to incomplete request body processing.
- Who is affected
- AWS WAF deployments with Application Load Balancer (ALB) are affected.
- Urgency
- Remediation is important to ensure full protection against crafted requests.
- Action
- Configure AWS WAF to properly inspect HTTP/2 request bodies on ALB.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.63% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Advisory coverage (2)
External references
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