What is CVE-2025-67485?

CVE-2025-67485 is a medium-severity vulnerability in Machphy Mad-Proxy, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2025-12-10.

How severe is CVE-2025-67485?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Machphy Mad-Proxy

CVE-2025-67485

mad-proxy is a Python-based HTTP/HTTPS proxy server for detection and blocking of malicious web activity using custom security policies. Versions 0.3 and below allow attackers to bypass HTTP/HTTPS traffic interception rules, potentially exposing sensitive traffic. This issue does not have a fix at the time of publication.

Published 2025-12-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Machphy Mad-Proxy — versions <= 0.3

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

github.com/machphy/mad-proxy/security/advisories/GHSA-wx63-35hw-2482 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-67485?: CVE-2025-67485 is a medium-severity vulnerability in Machphy Mad-Proxy, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2025-12-10.
How severe is CVE-2025-67485?: Medium severity. CVSS v3 base score is 5.3 out of 10.