{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64785","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","state":"PUBLISHED","assignerShortName":"apple","dateReserved":"2026-07-20T18:11:03.398Z","datePublished":"2026-07-23T18:50:40.468Z","dateUpdated":"2026-07-24T20:06:58.518Z"},"containers":{"cna":{"problemTypes":[{"descriptions":[{"lang":"en","description":"SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting."}]}],"affected":[{"vendor":"Apple","product":"swift-nio-http2","versions":[{"version":"0","status":"affected","lessThan":"1.45.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2 version 1.45.0."}],"references":[{"url":"https://github.com/apple/swift-nio-http2/security/advisories/GHSA-q3g2-m552-3r9c"}],"providerMetadata":{"orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple","dateUpdated":"2026-07-23T18:50:40.468Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-444","lang":"en","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-24T20:06:09.684879Z","id":"CVE-2026-64785","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-24T20:06:58.518Z"}}]}}