{"api_version":"1","generated_at":"2026-07-17T03:45:45+00:00","cve":"CVE-2026-59249","urls":{"html":"https://cve.report/CVE-2026-59249","api":"https://cve.report/api/cve/CVE-2026-59249.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-59249","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-59249"},"summary":{"title":"Sign-tolerant HTTP/1 chunk-size parser in Mint enables response smuggling against strict intermediaries on pooled connections","description":"Inconsistent interpretation of HTTP requests (HTTP response smuggling) vulnerability in elixir-mint mint allows a malicious HTTP/1 server to desynchronize a strict intermediary and the Mint client on the same pooled connection, enabling response-queue poisoning against subsequent requests that share the connection.\n\nThe Mint.HTTP1.decode_body/5 function in lib/mint/http1.ex parses the chunk-size line of a Transfer-Encoding: chunked response with Integer.parse(data, 16). 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