CVE-2026-63718

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.

Database specific

{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-444"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63718.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "2.4.30"
                        },
                        {
                            "last_affected": "2.4.68"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type

GIT

Repo

https://github.com/apache/httpd

Events

Introduced

3fe4a02b4936b73a10009ac8ea2c742730ccbe42

Fixed

1e06e9860794ce39605b79a0a787abfe084e5677

Database specific

Show details

{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.4.30"
                },
                {
                    "fixed": "2.4.69"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63718.json"