{"api_version":"1","generated_at":"2026-05-02T12:26:34+00:00","cve":"CVE-2026-39807","urls":{"html":"https://cve.report/CVE-2026-39807","api":"https://cve.report/api/cve/CVE-2026-39807.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-39807","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-39807"},"summary":{"title":"Client-supplied URI scheme trusted without transport verification in bandit","description":"Reliance on Untrusted Inputs in a Security Decision vulnerability in mtrudel bandit allows unauthenticated transport-state spoofing on plaintext HTTP connections.\n\n'Elixir.Bandit.Pipeline':determine_scheme/2 in lib/bandit/pipeline.ex returns the client-supplied URI scheme verbatim, ignoring the transport's secure? flag. HTTP/1.1 absolute-form request targets (e.g. GET https://victim/path HTTP/1.1) and the HTTP/2 :scheme pseudo-header are both attacker-controlled strings that flow through this function. 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