CVE-2025-67485: mad-proxy is a Python-based HTTP/HTTPS proxy server for detection and blocking of malicious web activity using

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-67485 is a medium-severity flaw (CVSS 5.3) affecting mad-proxy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-693
Published	2025-12-10
Last modified	2026-10-14

Publisher (CNA): GitHub, Inc. · Vendor: machphy

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-10 01:15 UTCPublished CVE record published
2026-10-14 21:10 UTCUpdated Record last modified

machphy mad-proxy UPGRADE

Affected: <= 0.3

Fixed in: newer than 0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show mad-proxy

2. UPGRADE to newer than 0.3

pip install --upgrade "mad-proxy>0.3"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-67485?

mad-proxy: upgrade to newer than 0.3. Exact commands for each OS are on this page.

Is CVE-2025-67485 being exploited?

CVE-2025-67485 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-67485 affect?

CVE-2025-67485 affects mad-proxy. Severity is medium (CVSS 5.3). 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 exp

How urgent is CVE-2025-67485?

Priority 27/100. Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

References

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