{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-111750", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-16T17:52:09.081Z", "datePublished": "2026-10-19T17:06:37.997Z", "dateUpdated": "2026-10-19T17:06:37.997Z" }, "containers": { "cna": { "title": "AIOHTTP: Pure-Python parser request smuggling", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-444", "lang": "en", "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L", "version": "4.0" } } ], "references": [ { "name": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-pqxq-w44r-73xw", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-pqxq-w44r-73xw" }, { "name": "https://github.com/aio-libs/aiohttp/commit/9b27347e61454d9f8ca2055f4c67a37dee336e83", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/aio-libs/aiohttp/commit/9b27347e61454d9f8ca2055f4c67a37dee336e83" }, { "name": "https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4" } ], "affected": [ { "vendor": "aio-libs", "product": "aiohttp", "versions": [ { "version": "< 3.14.4", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-19T17:06:37.997Z" }, "descriptions": [ { "lang": "en", "value": "AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, the pure Python parser accepts ambiguous HTTP request framing. An unauthenticated attacker can consequently smuggle requests when an application uses AIOHTTP_NO_EXTENSIONS or otherwise runs without a standard wheel and an intermediary interprets the framing differently. This issue is fixed in version 3.14.4." } ], "source": { "advisory": "GHSA-pqxq-w44r-73xw", "discovery": "UNKNOWN" } } } }