CVE-2026-63718

Public on 2026-10-01
Modified on 2026-10-03
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.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core httpd 2026-10-12 ALAS2-2026-3990 Fixed
Amazon Linux 2023 httpd 2026-10-12 ALAS2023-2026-3202 Fixed
Amazon Linux 2027 Preview httpd 2026-10-12 ALAS2027-2026-207 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N