Vulnerabilities in pkg:pypi/mad-proxy

PACKAGE
Advisory Identifier: GHSA-wx63-35hw-2482
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Advisory Summary

CVE-2025-67485 is a MODERATE (CVSS 5.3) remote code execution vulnerability (CWE-693: Protection Mechanism Failure) affecting Mad proxy libraries in the PyPI ecosystem. The issue involves http/https traffic interception bypass in mad-proxy. Remediation is available in the latest vendor maintenance releases.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:pypi/mad-proxy

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:pypi/mad-proxy. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-wx63-35hw-2482 CVE-2025-67485 MODERATE HTTP/HTTPS Traffic Interception Bypass in mad-proxy

CVE-2025-67485 at a Glance

CVE Identifier CVE-2025-67485
GHSA Identifier GHSA-wx63-35hw-2482
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-693: Protection Mechanism Failure
Affected Product Mad proxy
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-67485

To remediate this vulnerability, upgrade all affected Mad proxy dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

mad-proxy fixed: Latest secure release 
pip install mad-proxy>=Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show mad-proxy

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2025-67485, inspect your installed packages using pip:

pip show mad-proxy

Analyze the terminal output to locate any version of Mad proxy in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The pip show mad-proxy command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-693: Protection Mechanism Failure, where the product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. In Mad proxy, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

A vulnerability in mad-proxy versions <= 0.3 allows attackers to bypass HTTP/HTTPS traffic interception rules, potentially exposing sensitive traffic.

CVE-2025-67485 Affected Mad proxy Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
mad-proxy
pypi/mad-proxy
PyPI
≤ 0.3

References

GitHub Advisory / Wiki ADVISORY
https://github.com/machphy/mad-proxy/security/advisories/GHSA-wx63-35hw-2482
NVD — CVE-2025-67485 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-67485
Mad proxy Source Repository REPOSITORY
https://github.com/machphy/mad-proxy

Frequently Asked Questions

What is CVE-2025-67485?
CVE-2025-67485 is a security vulnerability in Mad proxy involving HTTP/HTTPS Traffic Interception Bypass in mad-proxy under CWE-693: Protection Mechanism Failure.
Which Mad proxy versions are affected?
Affected versions include releases prior to current release patches across affected packages: mad-proxy.
What version fixes CVE-2025-67485?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is mad-proxy affected?
Yes, mad-proxy is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2025-67485?
CVE-2025-67485 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2025-67485?
CVE-2025-67485 is classified under CWE-693: Protection Mechanism Failure (The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.).
How can I check PyPI dependencies for CVE-2025-67485?
Run the dependency tree command: 'pip show mad-proxy'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-wx63-35hw-2482",
  "modified" : "2025-12-10T15:46:54Z",
  "published" : "2025-12-09T17:17:48Z",
  "aliases" : [ "CVE-2025-67485" ],
  "summary" : "HTTP/HTTPS Traffic Interception Bypass in mad-proxy",
  "details" : "A vulnerability in mad-proxy versions <= 0.3 allows attackers to bypass HTTP/HTTPS traffic interception rules, potentially exposing sensitive traffic.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "mad-proxy"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/machphy/mad-proxy/security/advisories/GHSA-wx63-35hw-2482"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-67485"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/machphy/mad-proxy"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-693" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-12-09T17:17:48Z",
    "nvd_published_at" : "2025-12-10T01:15:52Z"
  }
}