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CVE-2022-24766

31
FAUCET Score

CVE-2022-24766 describes an HTTP request smuggling vulnerability in mitmproxy versions 7.0.4 and below. A malicious client or server can inject additional requests or responses into an existing HTTP message body, bypassing mitmproxy's usual security checks and logging. This critical vulnerability (CVSS 9.8) allows for high impact to confidentiality, integrity, and availability, as smuggled requests are not subject to user-defined access controls or sanitization. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability is easily exploitable with low attack complexity.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.0.4CPE matchmatch criteria
cpe:2.3:a:mitmproxy:mitmproxy:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.62%
Probability of exploitation in next 30 days
EPSS Percentile
73.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0162 is in the 61st percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: mitmproxyFixed in: 8.0.0

Vendor Advisories (1)

pipGHSA-gcx2-gvj7-pxv3critical

Insufficient Protection against HTTP Request Smuggling in mitmproxy

Mar 22, 2022

References

github.com / mitmproxy/mitmproxy/commit/b06fb6d157087d526bd02e7aadbe37c56865c71b
PatchThird Party Advisory
github.com / mitmproxy/mitmproxy/security/advisories/GHSA-gcx2-gvj7-pxv3
Third Party Advisory
mitmproxy.org / posts/releases/mitmproxy8
Release NotesVendor Advisory