{"schema_version":"1.9.0","id":"GHSA-x4m4-345f-5h5g","published":"2026-04-09T21:31:30Z","modified":"2026-09-10T09:40:56.117168785Z","aliases":["CVE-2026-34487"],"summary":"Apache Tomcat vulnerable to Insertion of Sensitive Information into Log File","details":"Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.","affected":[{"package":{"name":"org.apache.tomcat:tomcat-tribes","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat-tribes"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.13"},{"fixed":"9.0.117"}]}],"versions":["9.0.100","9.0.102","9.0.104","9.0.105","9.0.106","9.0.107","9.0.108","9.0.109","9.0.110","9.0.111","9.0.112","9.0.113","9.0.115","9.0.116","9.0.13","9.0.14","9.0.16","9.0.17","9.0.19","9.0.20","9.0.21","9.0.22","9.0.24","9.0.26","9.0.27","9.0.29","9.0.30","9.0.31","9.0.33","9.0.34","9.0.35","9.0.36","9.0.37","9.0.38","9.0.39","9.0.40","9.0.41","9.0.43","9.0.44","9.0.45","9.0.46","9.0.48","9.0.50","9.0.52","9.0.53","9.0.54","9.0.55","9.0.56","9.0.58","9.0.59","9.0.60","9.0.62","9.0.63","9.0.64","9.0.65","9.0.67","9.0.68","9.0.69","9.0.70","9.0.71","9.0.72","9.0.73","9.0.74","9.0.75","9.0.76","9.0.78","9.0.79","9.0.80","9.0.81","9.0.82","9.0.83","9.0.84","9.0.85","9.0.86","9.0.87","9.0.88","9.0.89","9.0.90","9.0.91","9.0.93","9.0.94","9.0.95","9.0.96","9.0.97","9.0.98","9.0.99"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-x4m4-345f-5h5g/GHSA-x4m4-345f-5h5g.json"}},{"package":{"name":"org.apache.tomcat:tomcat-tribes","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat-tribes"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.1.0-M1"},{"fixed":"10.1.54"}]}],"versions":["10.1.0","10.1.0-M1","10.1.0-M10","10.1.0-M11","10.1.0-M12","10.1.0-M14","10.1.0-M15","10.1.0-M16","10.1.0-M17","10.1.0-M2","10.1.0-M4","10.1.0-M5","10.1.0-M6","10.1.0-M7","10.1.0-M8","10.1.1","10.1.10","10.1.11","10.1.12","10.1.13","10.1.14","10.1.15","10.1.16","10.1.17","10.1.18","10.1.19","10.1.2","10.1.20","10.1.23","10.1.24","10.1.25","10.1.26","10.1.28","10.1.29","10.1.30","10.1.31","10.1.33","10.1.34","10.1.35","10.1.36","10.1.39","10.1.4","10.1.40","10.1.41","10.1.42","10.1.43","10.1.44","10.1.45","10.1.46","10.1.47","10.1.48","10.1.49","10.1.5","10.1.50","10.1.52","10.1.53","10.1.6","10.1.7","10.1.8","10.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-x4m4-345f-5h5g/GHSA-x4m4-345f-5h5g.json"}},{"package":{"name":"org.apache.tomcat:tomcat-tribes","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat-tribes"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.21"}]}],"versions":["11.0.0","11.0.0-M1","11.0.0-M10","11.0.0-M11","11.0.0-M12","11.0.0-M13","11.0.0-M14","11.0.0-M15","11.0.0-M16","11.0.0-M17","11.0.0-M18","11.0.0-M19","11.0.0-M20","11.0.0-M21","11.0.0-M22","11.0.0-M24","11.0.0-M25","11.0.0-M26","11.0.0-M3","11.0.0-M4","11.0.0-M5","11.0.0-M6","11.0.0-M7","11.0.0-M9","11.0.1","11.0.10","11.0.11","11.0.12","11.0.13","11.0.14","11.0.15","11.0.18","11.0.2","11.0.20","11.0.3","11.0.4","11.0.5","11.0.6","11.0.7","11.0.8","11.0.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-x4m4-345f-5h5g/GHSA-x4m4-345f-5h5g.json"}},{"package":{"name":"org.apache.tomcat:tomcat","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.13"},{"fixed":"9.0.117"}]}],"versions":["9.0.100","9.0.102","9.0.104","9.0.105","9.0.106","9.0.107","9.0.108","9.0.109","9.0.110","9.0.111","9.0.112","9.0.113","9.0.115","9.0.116","9.0.13","9.0.14","9.0.16","9.0.17","9.0.19","9.0.20","9.0.21","9.0.22","9.0.24","9.0.26","9.0.27","9.0.29","9.0.30","9.0.31","9.0.33","9.0.34","9.0.35","9.0.36","9.0.37","9.0.38","9.0.39","9.0.40","9.0.41","9.0.43","9.0.44","9.0.45","9.0.46","9.0.48","9.0.50","9.0.52","9.0.53","9.0.54","9.0.55","9.0.56","9.0.58","9.0.59","9.0.60","9.0.62","9.0.63","9.0.64","9.0.65","9.0.67","9.0.68","9.0.69","9.0.70","9.0.71","9.0.72","9.0.73","9.0.74","9.0.75","9.0.76","9.0.78","9.0.79","9.0.80","9.0.81","9.0.82","9.0.83","9.0.84","9.0.85","9.0.86","9.0.87","9.0.88","9.0.89","9.0.90","9.0.91","9.0.93","9.0.94","9.0.95","9.0.96","9.0.97","9.0.98","9.0.99"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-x4m4-345f-5h5g/GHSA-x4m4-345f-5h5g.json"}},{"package":{"name":"org.apache.tomcat:tomcat","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.1.0-M1"},{"fixed":"10.1.54"}]}],"versions":["10.1.0","10.1.0-M1","10.1.0-M10","10.1.0-M11","10.1.0-M12","10.1.0-M14","10.1.0-M15","10.1.0-M16","10.1.0-M17","10.1.0-M2","10.1.0-M4","10.1.0-M5","10.1.0-M6","10.1.0-M7","10.1.0-M8","10.1.1","10.1.10","10.1.11","10.1.12","10.1.13","10.1.14","10.1.15","10.1.16","10.1.17","10.1.18","10.1.19","10.1.2","10.1.20","10.1.23","10.1.24","10.1.25","10.1.26","10.1.28","10.1.29","10.1.30","10.1.31","10.1.33","10.1.34","10.1.35","10.1.36","10.1.39","10.1.4","10.1.40","10.1.41","10.1.42","10.1.43","10.1.44","10.1.45","10.1.46","10.1.47","10.1.48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.openwall.com/lists/oss-security/2026/04/09/28"}],"database_specific":{"cwe_ids":["CWE-532"],"github_reviewed":true,"github_reviewed_at":"2026-04-10T21:38:41Z","nvd_published_at":"2026-04-09T20:16:25Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}