Issues

• Windows Local Capture severely reduces throughput of unrelated high-bandwidth traffic

  kind/triage
  mitmproxy/mitmproxy#8446 · Filter by author Veniman8000 opened on Sep 23, 2026
  1

• Let an addon complete a group of HTTP/2 requests in a single write

  kind/feature
  mitmproxy/mitmproxy#8445 · Filter by author itsMyrto opened on Sep 23, 2026

• Needs a better way to route all http/https traffic through mitmproxy

  kind/triage
  mitmproxy/mitmproxy#8431 · Filter by author psudo123 opened on Sep 10, 2026

• curl and httpie export change the body when it has % or a trailing newline

  mitmproxy/mitmproxy#8425 · Filter by author monasco opened on Sep 7, 2026

• macOS local mode: UDP flows closed by the redirector before their first datagram leak a file descriptor forever

  mitmproxy/mitmproxy#8412 · Filter by author georgezlei opened on Aug 31, 2026
  2

• fix(server-replay): apply the extra-request policy after replay exhaustion

  mitmproxy/mitmproxy#8363 · Filter by author coygeek opened on Aug 10, 2026

• cannot import PKCS12

  kind/triage
  mitmproxy/mitmproxy#8357 · Filter by author g3nsvrv opened on Aug 2, 2026
  6

• QUIC passthrough: ignore_connection in tls_clienthello never relays past the ClientHello

  mitmproxy/mitmproxy#8338 · Filter by author kasnder opened on Jul 29, 2026
  1

• ConnectionHandler's per-destination connection concurrency (asyncio.Semaphore(5)) is hardcoded with no way to configure it

  mitmproxy/mitmproxy#8322 · Filter by author alt-efi opened on Jul 13, 2026

• mitmproxy-linux failed to build

  kind/triage
  mitmproxy/mitmproxy#8315 · Filter by author vortexilation opened on Jul 7, 2026
  3

• Add visual tag/label UI in mitmweb flow list

  area/webkind/feature
  mitmproxy/mitmproxy#8290 · Filter by author Xerodium opened on Jun 26, 2026

• Add on-the-fly compression support for --save-stream-file

  kind/feature
  mitmproxy/mitmproxy#8286 · Filter by author joelverhagen opened on Jun 20, 2026
  4

• add an optional decompression for content-type: application/zlib

  kind/feature
  mitmproxy/mitmproxy#8283 · Filter by author d3cryptofc opened on Jun 13, 2026
  2

• Can't use @dataclass in the script

  kind/triage
  mitmproxy/mitmproxy#8279 · Filter by author crepererum opened on Jun 9, 2026

• MitmWeb disconnects when writing filter with unmatched quote

  kind/bug
  mitmproxy/mitmproxy#8239 · Filter by author fwdekker-pc opened on May 18, 2026
  2

• Listening does not work after listen_port is set

  kind/triage
  mitmproxy/mitmproxy#8235 · Filter by author alphime opened on May 16, 2026
  1

• Mitmproxy: Client QUIC handshake failed. Cannot parse QUIC header: Malformed head

  kind/triage
  mitmproxy/mitmproxy#8218 · Filter by author Cyb3rCr0wCC opened on May 8, 2026

• Secure web proxy negotiates h2 ALPN with client, breaking HTTP/1.1 CONNECT

  kind/triage
  mitmproxy/mitmproxy#8192 · Filter by author lironthethird opened on Apr 22, 2026
  1

• Feature request: allow per-message delete/hide for TCP flows in mitmweb

  kind/feature
  mitmproxy/mitmproxy#8186 · Filter by author Leonhardt92 opened on Apr 20, 2026

• Support Windows certificate store

  kind/feature
  mitmproxy/mitmproxy#8185 · Filter by author mriehm opened on Apr 18, 2026
  4

• False-Positive: New binaries are incorrectly flagged as malicious (12.2.2)

  kind/triage
  mitmproxy/mitmproxy#8184 · Filter by author radiolondra opened on Apr 17, 2026
  14

• AttributeError: 'ConsoleMaster' object has no attribute 'loop'

  kind/triage
  mitmproxy/mitmproxy#8162 · Filter by author glensc opened on Apr 3, 2026

• "mitmproxy has crashed! - IndexError: list index out of range in aioquic/quic/connection.py - line 536, in datagrams_to_send

  kind/triage
  mitmproxy/mitmproxy#8161 · Filter by author Taytay opened on Apr 2, 2026

• load_pem_private_key retries with password=None on TypeError

  mitmproxy/mitmproxy#8138 · Filter by author themavik opened on Mar 19, 2026
  2

• SignalR view

  kind/feature
  mitmproxy/mitmproxy#8130 · Filter by author Nemirtingas opened on Mar 15, 2026
  2