{"id":"BIT-tomcat-2026-65927","summary":"Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control","details":"Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule.\n\n\n\n\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 9.0.0 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 8.5.0 through 8.5.100. 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-2026-65927"],"modified":"2026-09-11T08:15:04.848290408Z","published":"2026-09-11T05:58:33.710Z","database_specific":{"cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/08/26/5"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/st1dx1zyn5y7ny2s0sscmh6lrv3worr4"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65927"}],"affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.5.0"},{"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-2026-65927.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}