{"id":"BIT-tomcat-2026-66422","summary":"Apache Tomcat: Servlet role references can bypass declarative role constraints","details":"Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole().\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, from 9.0.25 through 9.0.120.\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.46 through 8.5.100, from 7.0.97 through 7.0.109. Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.","aliases":["CVE-2026-66422"],"modified":"2026-09-11T08:15:06.325541694Z","published":"2026-09-11T05:58:36.300Z","database_specific":{"cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/08/26/6"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/j5plylz1b2vhqvbkqn7k58nygxhcpk73"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66422"}],"affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.0.97"},{"fixed":"9.0.121"},{"introduced":"10.0.0"},{"fixed":"10.1.58"},{"introduced":"11.0.0"},{"fixed":"11.0.25"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2026-66422.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"}]}],"schema_version":"1.9.0"}