CVE-2026-63718

High

Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Apache Http Server

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-444CWE-444

How to fix

Update

apache http_server2.4.69 or later

Vendor advisories

httpd.apache.org/security/vulnerabilities_24.html

Affected products

Product	Affected versions	Fixed in
apache http_server	2.4.30 ≤ v < 2.4.69	2.4.69
microsoft azl3_httpd_2.4.68-1	No range specified	—

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