CVE-2025-67485 HTTP/HTTPS Traffic Interception Bypass in mad-proxy
Attackers can bypass HTTP/HTTPS traffic interception rules in mad-proxy, potentially exposing sensitive traffic to unauthorized parties.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-67485?
CVE-2025-67485 is a medium-severity vulnerability in machphy mad-proxy, published on 10 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-693
Which versions are affected by CVE-2025-67485?
3 open source packages ship an affected version, including mad-proxy. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mad-proxy PyPI | All versions to 0.3 | None |
mad-proxy PyPI | All versions to 0.3 | None |
mad-proxy PyPI | All versions to 0.3 | None |
Products include Machphy Mad-Proxy.
How do I fix CVE-2025-67485?
No fix has been published for CVE-2025-67485 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-67485 being exploited?
There is no known exploitation of CVE-2025-67485 in the wild and no public exploit code.
Sources
Also known as GHSA-wx63-35hw-2482, PYSEC-2026-1596.