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jtprogru/mitmproxy-dev-guide

scanned 2026-08-14 · git 367eb64
3 of 6 checks flagged a security issue
🔴 Needs attention
Only 5 of 6 checks finished — treat this as provisional. Re-check ↻

Informational scan, not a security audit. How this is computed.

Leaked secrets✓Vulnerable dependencies3Known OSS vulnerabilities25Risky code patterns✓Malicious dependencies1Project health—

Security checks

Leaked secrets — Gitleaksⓘ none found ✓

API keys, passwords or tokens committed into the repo.

Nothing found by this check. ✓

via Gitleaks v8.21.2 · MIT

Vulnerable dependencies — Trivyⓘ 3 found

Packages you depend on that have known security holes (CVEs).

  • Worth fixing CVE-2025-23217 mitmproxy is a interactive TLS-capable intercepting HTTP proxy for pen ...
    requirements.txt
    A package you depend on has a known security hole (CVE-2025-23217). Fix: Update that package to its patched version.
  • Worth fixing CVE-2026-40606 mitmproxy is a interactive TLS-capable intercepting HTTP proxy for pen ...
    requirements.txt
    A package you depend on has a known security hole (CVE-2026-40606). Fix: Update that package to its patched version.
  • Worth fixing GHSA-63cx-g855-hvv4 mitmproxy binaries embed a vulnerable python-hyper/h2 dependency
    requirements.txt
    A package you depend on has a known security hole (GHSA-63cx-g855-hvv4). Fix: Update that package to its patched version.

via Trivy v0.70.0 · Apache-2.0

Known OSS vulnerabilities — OSV-Scannerⓘ 25 found · 2 serious

Your dependencies cross-checked against the OSV vulnerability database.

  • Serious PYSEC-2026-348 h11 accepts some malformed Chunked-Encoding bodies
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2025-43859). Fix: Update that package to its patched version.
  • Serious PYSEC-2026-2269 pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to `set_cookie_generate_callback` returned a cookie value
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-27459). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-1630 Mitmweb API Authentication Bypass Using Proxy Server
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2025-23217). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-92 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 bu
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-40606). Fix: Update that package to its patched version.
  • Worth fixing GHSA-63cx-g855-hvv4 mitmproxy binaries embed a vulnerable python-hyper/h2 dependency
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole. Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-2401 Scrapy is vulnerable to a denial of service (DoS) attack due to flaws in brotli decompression implementation
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2025-6176). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2023-11 cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2023-23931). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2023-254 cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-poin
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2023-49083). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2024-225 cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Starting in version 38.0.0 and prior to version 42.0.4, if `pkcs12.serialize_key_and_certificate
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2024-26130). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-1283 Python Cryptography package vulnerable to Bleichenbacher timing oracle attack
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2023-50782). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-1285 Null pointer dereference in PKCS12 parsing
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2024-0727). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-2141 cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the public_key_from_numbers (or EllipticCurvePublicNumbers.public_key()), Ellip
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-26007). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-35 cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to version 46.0.6, DNS name constraints were only validated against SANs within child cert
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-34073). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-3553 python-cryptography: Duplicate self-signed intermediates can cause exponential path-building
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-69249). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-3554 python-cryptography verifier accepts wildcard DNS names allowing escape from permittedSubtrees
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-69248). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-800 Vulnerable OpenSSL included in cryptography wheels
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2023-0286). Fix: Update that package to its patched version.
  • Worth fixing GHSA-537c-gmf6-5ccf Vulnerable OpenSSL included in cryptography wheels
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole. Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-2151 Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Us
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-27205). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-3625 MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker reuse after a caught error, potentially leading to a DoS attack.
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-57585). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-1805 protobuf affected by a JSON recursion depth bypass
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-0994). Fix: Update that package to its patched version.
  • Worth fixing PYSEC-2026-2268 pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to `set_tlsext_servername_callback` raised an unhandled ex
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole (CVE-2026-27448). Fix: Update that package to its patched version.
  • Minor GHSA-5cpq-8wj7-hf2v Vulnerable OpenSSL included in cryptography wheels
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole. Fix: Update that package to its patched version.
  • Minor GHSA-jm77-qphf-c4w8 pyca/cryptography's wheels include vulnerable OpenSSL
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole. Fix: Update that package to its patched version.
  • Minor GHSA-v8gr-m533-ghj9 Vulnerable OpenSSL included in cryptography wheels
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole. Fix: Update that package to its patched version.
  • FYI GHSA-h4gh-qq45-vh27 pyca/cryptography has a vulnerable OpenSSL included in cryptography wheels
    /workdirs/scan-4fe21b54-168f-483c-865e-e51bc18c523e/requirements.txt
    A package you depend on has a known security hole. Fix: Update that package to its patched version.

via OSV-Scanner v1.9.2 · Apache-2.0

Risky code patterns — Semgrepⓘ none found ✓

Code that can be exploited: injection, hardcoded credentials and similar.

Nothing found by this check. ✓

via Semgrep v1.147.0 · LGPL-2.1

Malicious dependencies — Guarddogⓘ 1 found

Packages that look intentionally malicious: typosquats, sneaky install scripts.

  • Worth fixing guarddog-pypi-clipboard-access clipboard-access match in mitmproxy 9.0.1
    mitmproxy
    A dependency shows signs of being intentionally malicious (typosquat, hidden install script, etc.). Fix: Don’t install it until you’ve verified the package. Consider removing it.

via Guarddog v2.10.0 · Apache-2.0

Project health

A signal about how the project is maintained — not a vulnerability in your code. It doesn’t affect the verdict above.

Project health — OpenSSF Scorecardⓘ didn’t run

Maintenance & supply-chain hygiene. A signal about the project, not a vulnerability in your code.

This check didn’t finish — that’s not the same as “clean.” Try Check again above.

via OpenSSF Scorecard · Apache-2.0

About these results. Six open-source checks ran in parallel; every finding is tagged with the tool that produced it. The verdict follows a published rule. False positives and false negatives are normal — a clean scan does not mean the code is secure, and a red verdict does not mean the project is compromised.