CVE-2026-24033
Received Received - Intake

HTTP Request Smuggling in Apache Traffic Server

Publication date: 2026-07-29

Last updated on: 2026-07-29

Assigner: Apache Software Foundation

Description
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3, from 9.0.0 through 9.2.14. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fixes the issue.

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Meta Information

Published
2026-07-29
Last Modified
2026-07-29
Generated
2026-07-29
AI Q&A
2026-07-29
EPSS Evaluated
N/A
NVD
CVE-2026-24033
EUVD
EUVD-2026-50170

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apache traffic_server From 9.0.0 (inc) to 9.2.14 (inc)
apache traffic_server From 10.0.0 (inc) to 10.1.3 (inc)
apache traffic_server 9.2.15
apache traffic_server 10.1.4

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-444 The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

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Executive Summary

This vulnerability is an Inconsistent Interpretation of HTTP Requests, also known as HTTP Request/Response Smuggling. It affects Apache Traffic Server versions between 10.0.0 to 10.1.3 and 9.0.0 to 9.2.14. The issue allows attackers to smuggle requests or responses, potentially bypassing security controls or accessing unauthorized data.

Impact Analysis

This vulnerability can lead to unauthorized access to sensitive data, bypassing security controls, or manipulating responses. Attackers might exploit it to smuggle malicious requests through the server, potentially leading to data breaches or service disruptions.

Compliance Impact

This vulnerability could result in unauthorized data access or disclosure, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage.

Mitigation Strategies

Upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later to address the HTTP Request Smuggling vulnerability.

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