{"id":"CVE-2026-34487","summary":"Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token","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.","aliases":["BIT-tomcat-2026-34487","GHSA-x4m4-345f-5h5g"],"modified":"2026-05-05T16:31:03.649429Z","published":"2026-04-09T19:36:12.048Z","related":["CGA-mxmv-22p8-4w7f","SUSE-SU-2026:1558-1","SUSE-SU-2026:1572-1","SUSE-SU-2026:1603-1","SUSE-SU-2026:1604-1","SUSE-SU-2026:21366-1","SUSE-SU-2026:21378-1","SUSE-SU-2026:21379-1","openSUSE-SU-2026:10547-1","openSUSE-SU-2026:10548-1","openSUSE-SU-2026:10549-1","openSUSE-SU-2026:20595-1","openSUSE-SU-2026:20611-1","openSUSE-SU-2026:20612-1"],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-532"],"unresolved_ranges":[{"extracted_events":[{"introduced":"11.0.0-M1"},{"last_affected":"11.0.20"},{"introduced":"10.1.0-M1"},{"last_affected":"10.1.53"},{"introduced":"9.0.13"},{"last_affected":"9.0.116"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.20"},{"introduced":"10.1.0-M1"},{"fixed":"10.1.53"},{"introduced":"9.0.13"},{"fixed":"9.0.116"}],"source":"DESCRIPTION"}],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34487.json"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/04/09/28"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34487.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34487"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"706a395be7c34414d04739de69bde986661976ec"},{"fixed":"f892e52577feef83aff57d34c2b4be61a5a68524"},{"introduced":"e9d17cddc285615807ec5fef09240777436b25dc"},{"fixed":"8ec9fde54ce6bda64027759389dd755b1b875edc"},{"introduced":"56e547d387ab49f688c93fe9ca082b1b5d94deed"},{"fixed":"1d6b501b493c11ee6fdebae911c67ca214e28c82"}],"database_specific":{"extracted_events":[{"introduced":"9.0.13"},{"fixed":"9.0.117"},{"introduced":"10.1.0"},{"fixed":"10.1.54"},{"introduced":"11.0.0"},{"fixed":"11.0.21"}],"cpe":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","source":"CPE_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-34487.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}