CVE-2026-63718CWE-444

CVE-2026-63718

High · published October 1, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00499 · 41.8th percentile
Weakness
CWE-444 · Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Published
2026-10-01T21:17Z
Affected products (1)
ProductVersionsFixed in
apache/http_server≥ 2.4.30, < 2.4.692.4.69
References (2)
https://httpd.apache.org/security/vulnerabilities_24.html · [email protected]http://www.openwall.com/lists/oss-security/2026/10/01/26 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 03 OCT 03:45Z
    EPSS moved — → 0%
    epss
  • 01 OCT 16:17Z
    Apache HTTP Server: mod_proxy_uwsgi Transfer-Encoding response smuggling
    cvelistv5