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Date: Thu, 2 May 2024 17:15:10 +0800
From: YuanSheng Wang <>
To:, "" <>, 
	Apache Security Team <>,, 
	Brandon Arp <>
Subject: CVE-2024-32638: Apache APISIX: Forward-Auth Request Smuggling

Severity: low

Affected versions:

- Apache APISIX 3.8.0, 3.9.0


Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
vulnerability in Apache APISIX when using `forward-auth` plugin.

This issue affects Apache APISIX: from 3.8.0, 3.9.0 .

Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which
fixes the issue.


Discovered and reported by Brandon Arp and Bruno Green of Topsort.



My GitHub:
Apache APISIX:

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