{"schemaVersion":3,"id":"CVE-2026-13762","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.\n\n\n\nThis issue was remediated server-side. No customer action is required.","dates":{"published":"2026-06-29T20:03:06.858Z","modified":"2026-06-29T20:51:27.340Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":7.9,"severity":"high","vector":"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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":7.9,"severity":"high","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00626,"percentile":0.4902,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00626},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00626,"percentile":0.4902}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00626,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00626,"percentile":0.4902}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-444","name":"Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","description":"The product acts as an intermediary HTTP agent\n         (such as a proxy or firewall) in the data flow between two\n         entities such as a client and server, but it does not\n         interpret malformed HTTP requests or responses in ways that\n         are consistent with how the messages will be processed by\n         those entities that are at the ultimate destination.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/444.html"}],"affected":[{"vendor":"amazon","product":"cloudfront","name":"cloudfront","label":"cloudfront","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/amazon/cloudfront"},{"vendor":"aws","product":"amazon cloudfront","name":"Amazon CloudFront","label":"amazon cloudfront","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":"/vendor/aws/amazon_cloudfront"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-048-aws/","label":"aws.amazon.com/security/security-bulletins/2026-048-aws/","hostname":"aws.amazon.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-06-29T20:03:06.858Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T20:51:27.340Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T08:44:51.441Z","stale":false,"partial":false}}