CVE-2026-13762 — CRITICAL (9.8)

Vulnerability Description

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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Amazon	Cloudfront	-

Related Weaknesses (CWE)

CWE-444

References

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

FAQ

What is CVE-2026-13762?

CVE-2026-13762 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 fragm...

How severe is CVE-2026-13762?

CVE-2026-13762 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-13762?

Check the references section above for vendor advisories and patch information. Affected products include: Amazon Cloudfront.