{"id":"CVE-2026-88041","title":"Apache Tomcat: HTTP/2 trailer header cross-contamination","summary":"Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.26, from 10.1.27 through 10.1.6…","severity":"none","cwe":["CWE-459"],"vendor":"Apache Software Foundation","product":"Apache Tomcat","affected":["apache_tomcat >= 11.0.0-M23 <= 11.0.26","apache_tomcat >= 10.1.27 <= 10.1.60","apache_tomcat >= 9.0.92 <= 9.0.122"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T13:43:28.681Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-88041","references":[{"url":"https://lists.apache.org/thread.html/dnmm9l3byytg3l66nk1jrqfrl7jty7n1"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T14:08:00.571Z","slug":"CVE-2026-88041","body":"## Overview\n\nIncomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 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 fix the issue.\n\n## Affected\n\n- `apache_tomcat >= 11.0.0-M23 <= 11.0.26`\n- `apache_tomcat >= 10.1.27 <= 10.1.60`\n- `apache_tomcat >= 9.0.92 <= 9.0.122`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}