{"schema_version":"1.9.0","id":"BIT-tomcat-2026-25854","published":"2026-04-13T10:19:50.972Z","modified":"2026-09-08T08:48:21.073161014Z","aliases":["CVE-2026-25854","GHSA-9m3c-qcxr-9x87"],"summary":"Apache Tomcat: Occasionally open redirect","details":"Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve.\n\nThis issue affects Apache Tomcat: from 11.0.0 through 11.0.18, from 10.1.0 through 10.1.52, from 9.0.0 through 9.0.115, from 8.5.30 through 8.5.100.\nOther, unsupported versions may also be affected\n\nUsers are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.","affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.5.30"},{"fixed":"9.0.116"},{"introduced":"10.1.0"},{"fixed":"10.1.53"},{"introduced":"11.0.0"},{"fixed":"11.0.20"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2026-25854.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}],"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/04/09/21"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25854"}],"database_specific":{"cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"],"severity":"Medium"}}