{"schemaVersion":3,"id":"CVE-2026-40606","aliases":["GHSA-527g-3w9m-29hv","PYSEC-2026-92","UBUNTU-CVE-2026-40606","DEBIAN-CVE-2026-40606","openSUSE-SU-2026:10622-1"],"status":"published","duplicateOf":null,"title":null,"description":"mitmproxy is a interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers and mitmweb is a web-based interface for mitmproxy. In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when querying the LDAP server. This allows a malicious client to bypass authentication. Only mitmproxy instances using the proxyauth option with LDAP are affected. This option is not enabled by default. 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