{"id":"BIT-tomcat-2026-101356","summary":"Apache Tomcat: HTTP/2 request/response mix-up after error during async processing","details":"Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.22 through 11.0.26, from 10.1.55 through 10.1.60, from 9.0.118 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fixes the issue.","aliases":["CVE-2026-101356"],"modified":"2026-10-29T10:45:13.742989193Z","published":"2026-10-29T09:01:26.520Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/20/27"},{"type":"WEB","url":"https://lists.apache.org/thread.html/d1xjt7bbjqw7y7n5mcb4fm815hpfgc27"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101356"}],"affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.118"},{"fixed":"9.0.123"},{"introduced":"10.1.55"},{"fixed":"10.1.61"},{"introduced":"11.0.22"},{"fixed":"11.0.27"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2026-101356.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}],"schema_version":"1.9.2"}