Apache Tomcat: Request smuggling via invalid chunk extension_CVE-2026-24880

{
    "lastseen": "",
    "description": "Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.\nOther, unsupported versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.",
    "published": "2026-04-09T19:12:10.730Z",
    "modified": "2026-04-10T18:33:49.308Z",
    "type": "cve",
    "title": "Apache Tomcat: Request smuggling via invalid chunk extension",
    "source": "apache",
    "references": "https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn",
    "id": "CVE-2026-24880",
    "bulletinFamily": "",
    "cwe": [
        "CWE-444"
    ],
    "cvelist": null,
    "sourceData": "Apache Software Foundation Apache Tomcat 11.0.0-M1\nApache Software Foundation Apache Tomcat 10.1.0-M1\nApache Software Foundation Apache Tomcat 9.0.0.M1\nApache Software Foundation Apache Tomcat 8.5.0\nApache Software Foundation Apache Tomcat 7.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Apache Tomcat",
    "version": "11.0.0-M1",
    "vendor": "Apache Software Foundation",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}