CVE-2026-24033 Apache Traffic Server: Request smuggling via chunked extension quoted-string parsing

Medium 6.9 Published Updated

Attackers can exploit HTTP request smuggling in Apache Traffic Server to bypass security controls or access sensitive data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-24033?

CVE-2026-24033 is a medium-severity vulnerability in Apache Traffic Server, published on 29 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-444

Which versions are affected by CVE-2026-24033?

It affects 1 product.

Products include Apache Traffic Server.

How do I fix CVE-2026-24033?

Upgrade to a fixed version.

Is CVE-2026-24033 being exploited?

There is no known exploitation of CVE-2026-24033 in the wild and no public exploit code.

All Apache Traffic Server vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-24033, GHSA-h8g5-f6vh-4g26, UBUNTU-CVE-2026-24033.

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