CVE-2026-63718
High · 7.5CVSS
7.5
EPSS
0.4%
Published
Oct 1, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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Related vulnerabilities
- CVE-2026-55613 uhttpd is a small HTTP server. CWE-444
- CVE-2026-55614 uhttpd is a small HTTP server. CWE-444
- CVE-2026-55612 uhttpd is a small HTTP server. CWE-444
- CVE-2026-116127 Starlet versions before 0.33 for Perl send a body in responses to HEAD requests… CWE-444
- CVE-2026-91920 A flaw was found in the ChunkReader component of the Undertow web server, which is used… CWE-444
- CVE-2026-118264 Echo is a Go web framework. CWE-444
- CVE-2026-103995 Response body and chunk parsing would handle non-hex or negative integers incorrectly… CWE-444
- CVE-2026-115823 Starman versions before 0.4019 for Perl send response bodies for HEAD requests… CWE-444