CVE-2026-39807

A flaw was found in bandit. An unauthenticated client can exploit this vulnerability by spoofing the transport state on plaintext HTTP connections. By declaring an HTTPS scheme over a non-secure TCP connection, the system incorrectly registers the connection as secure. This can lead to sensitive...

CVE-2026-39807 Client-supplied URI scheme trusted without transport verification in bandit

Reliance on Untrusted Inputs in a Security Decision vulnerability in mtrudel bandit allows unauthenticated transport-state spoofing on plaintext HTTP connections. 'Elixir.Bandit.Pipeline':determinescheme/2 in lib/bandit/pipeline.ex returns the client-supplied URI scheme verbatim, ignoring the...

EEF-CVE-2026-39807 Client-supplied URI scheme trusted without transport verification in bandit

Summary Reliance on Untrusted Inputs in a Security Decision vulnerability in mtrudel bandit allows unauthenticated transport-state spoofing on plaintext HTTP connections. 'Elixir.Bandit.Pipeline':determine\scheme/2 in lib/bandit/pipeline.ex returns the client-supplied URI scheme verbatim, ignorin...