{"api_version":"1","generated_at":"2026-11-14T08:27:51+00:00","cve":"CVE-2026-128127","urls":{"html":"https://cve.report/CVE-2026-128127","api":"https://cve.report/api/cve/CVE-2026-128127.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-128127","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-128127"},"summary":{"title":"AIOHTTP: Base64 multipart parts bypass client_max_size","description":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, BodyPartReader.read_chunk() processing a multipart part with Content-Transfer-Encoding set to base64 keeps reading until the chunk length is a multiple of four without enforcing a byte limit. A short Content-Length or a long run of whitespace can cause one call to read the remaining body into memory before the size check or spin on the event loop. 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