{"id":"BIT-tomcat-2026-86350","summary":"Apache Tomcat: Regression in fix for CVE-2026-41293 can trigger request header mix-up","details":"Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat caused by a regression in fix for CVE-2026-41293 can trigger request header mix-up.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from 10.1.55 through 10.1.59, from 9.0.118 through 9.0.121.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.","aliases":["CVE-2026-86350"],"modified":"2026-10-01T10:00:18.292291503Z","published":"2026-10-01T09:36:35.863Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread/mss45z99lcdd5dtpgcn45dy82f3toswc"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86350"}],"affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.118"},{"fixed":"9.0.122"},{"introduced":"10.1.55"},{"fixed":"10.1.60"},{"introduced":"11.0.22"},{"fixed":"11.0.26"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2026-86350.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}