{
"id": "GHSA-gx5v-xp9w-j4cg",
"aliases": [
"CVE-2026-41284"
],
"details": "Versions Affected:\nApache Tomcat 11.0.0-M1 to 11.0.21\nApache Tomcat 10.1.0-M1 to 10.1.54\nApache Tomcat 9.0.0.M1 to 9.0.117\nOlder, unsupported versions may also be affected\n\nDescription:\nNo limit was enforced on the request body for WebDAV LOCK or PROPFIND\nrequests which were available to unauthenticated users.\n\nMitigation:\nUsers of the affected versions should apply one of the following\nmitigations:\n- Upgrade to Apache Tomcat 11.0.22 or later\n- Upgrade to Apache Tomcat 10.1.55 or later\n- Upgrade to Apache Tomcat 9.0.118 or later\n\nCredit:\nThis issue was identified by Dariusz Gońda",
"summary": "Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.118"
}
]
}
],
"package": {
"name": "org.apache.tomcat.embed:tomcat-embed-core",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.1.0-M1"
},
{
"fixed": "10.1.55"
}
]
}
],
"package": {
"name": "org.apache.tomcat.embed:tomcat-embed-core",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.22"
}
]
}
],
"package": {
"name": "org.apache.tomcat.embed:tomcat-embed-core",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.118"
}
]
}
],
"package": {
"name": "org.apache.tomcat:tomcat",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.1.0-M1"
},
{
"fixed": "10.1.55"
}
]
}
],
"package": {
"name": "org.apache.tomcat:tomcat",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.22"
}
]
}
],
"package": {
"name": "org.apache.tomcat:tomcat",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.118"
}
]
}
],
"package": {
"name": "org.apache.tomcat:tomcat-catalina",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.1.0-M1"
},
{
"fixed": "10.1.55"
}
]
}
],
"package": {
"name": "org.apache.tomcat:tomcat-catalina",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.0.0-M1"
},
{
"fixed": "11.0.22"
}
]
}
],
"package": {
"name": "org.apache.tomcat:tomcat-catalina",
"ecosystem": "Maven"
}
}
],
"modified": "2026-05-18T20:26:58Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"published": "2026-05-12T18:30:38Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41284",
"type": "ADVISORY"
},
{
"url": "https://github.com/apache/tomcat/commit/17dacd9aa48628da2eba37a9ab743c0b6c71685c",
"type": "WEB"
},
{
"url": "https://github.com/apache/tomcat/commit/a96fffd18487a29c0a30d36f00cb2b2d91f6d42c",
"type": "WEB"
},
{
"url": "https://github.com/apache/tomcat/commit/b3d1c1c239142e806be0b7329d304b94a58913ed",
"type": "WEB"
},
{
"url": "https://github.com/apache/tomcat",
"type": "PACKAGE"
},
{
"url": "https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc",
"type": "WEB"
},
{
"url": "https://tomcat.apache.org/security-10.html",
"type": "WEB"
},
{
"url": "https://tomcat.apache.org/security-11.html",
"type": "WEB"
},
{
"url": "https://tomcat.apache.org/security-9.html",
"type": "WEB"
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/05/12/12",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-770"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-05-12T16:16:15Z",
"github_reviewed_at": "2026-05-18T20:26:58Z"
}
}