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CVE-2026-13763 HTTP/2 Stream Parser Confusion Body-Inspection Bypass in AWS Application Load Balancer with AWS WAF

🗓️ 29 Jun 2026 20:03:57Reported by AMZNType 
cvelist
 cvelist
🔗 www.cve.org👁 1 Views

Inconsistent interpretation of HTTP/2 requests in AWS Application Load Balancer 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 ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-13763
29 Jun 202620:03
attackerkb
Circl
CVE-2026-13763
29 Jun 202622:45
circl
CVE
CVE-2026-13763
29 Jun 202620:03
cve
EUVD
EUVD-2026-40221
29 Jun 202620:03
euvd
NVD
CVE-2026-13763
29 Jun 202620:17
nvd
Positive Technologies
PT-2026-53692
29 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-13763 HTTP/2 Stream Parser Confusion Body-Inspection Bypass in AWS Application Load Balancer with AWS WAF
29 Jun 202620:03
vulnrichment
[
  {
    "vendor": "AWS",
    "product": "AWS Application Load Balancer",
    "versions": [
      {
        "status": "affected",
        "version": "0"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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29 Jun 2026 20:03Current
CVSS 47.9
CVSS 3.19.8
1