{"id":"CVE-2026-41284","aliases":["BIT-tomcat-2026-41284","GHSA-gx5v-xp9w-j4cg"],"url":"https://o3.security/vulnerability/CVE-2026-41284","summary":"Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling","details":"Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117.\nOlder, unsupported versions may also be affected.\n\nUsers are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.","published":"2026-05-12T15:14:45.278Z","modified":"2026-07-15T02:19:51.728258348Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"9.0.118"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"10.1.55"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"11.0.22"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"9.0.118"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"10.1.55"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","fixedVersion":"11.0.22"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"9.0.118"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"10.1.55"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-catalina","fixedVersion":"11.0.22"}],"fix":null,"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/12/12"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41284.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41284"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T02:19:51.728258348Z"}}