{"id":"UBUNTU-CVE-2026-34487","details":"Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This 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. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.","modified":"2026-07-30T01:30:19.391640312Z","published":"2026-04-09T20:16:00Z","upstream":["CVE-2026-34487"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-34487"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-34487"},{"type":"REPORT","url":"https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/04/09/28"}],"affected":[{"package":{"name":"tomcat9","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.16-3~18.04.1","9.0.16-3ubuntu0.18.04.1","9.0.16-3ubuntu0.18.04.2","9.0.16-3ubuntu0.18.04.2+esm1","9.0.16-3ubuntu0.18.04.2+esm2","9.0.16-3ubuntu0.18.04.2+esm3","9.0.16-3ubuntu0.18.04.2+esm4","9.0.16-3ubuntu0.18.04.2+esm5","9.0.16-3ubuntu0.18.04.2+esm6","9.0.16-3ubuntu0.18.04.2+esm7","9.0.16-3ubuntu0.18.04.2+esm8"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.16-3ubuntu0.18.04.2+esm8","binary_name":"libtomcat9-embed-java"},{"binary_version":"9.0.16-3ubuntu0.18.04.2+esm8","binary_name":"libtomcat9-java"},{"binary_name":"tomcat9","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_name":"tomcat9-admin","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_name":"tomcat9-common","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_name":"tomcat9-docs","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_version":"9.0.16-3ubuntu0.18.04.2+esm8","binary_name":"tomcat9-examples"},{"binary_version":"9.0.16-3ubuntu0.18.04.2+esm8","binary_name":"tomcat9-user"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34487.json"}},{"package":{"name":"tomcat9","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.24-1","9.0.27-1","9.0.31-1","9.0.31-1ubuntu0.1","9.0.31-1ubuntu0.2","9.0.31-1ubuntu0.3","9.0.31-1ubuntu0.4","9.0.31-1ubuntu0.5","9.0.31-1ubuntu0.6","9.0.31-1ubuntu0.7","9.0.31-1ubuntu0.8","9.0.31-1ubuntu0.9","9.0.31-1ubuntu0.9+esm1","9.0.31-1ubuntu0.9+esm2","9.0.31-1ubuntu0.9+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"libtomcat9-embed-java","binary_version":"9.0.31-1ubuntu0.9+esm3"},{"binary_name":"libtomcat9-java","binary_version":"9.0.31-1ubuntu0.9+esm3"},{"binary_version":"9.0.31-1ubuntu0.9+esm3","binary_name":"tomcat9"},{"binary_version":"9.0.31-1ubuntu0.9+esm3","binary_name":"tomcat9-admin"},{"binary_name":"tomcat9-common","binary_version":"9.0.31-1ubuntu0.9+esm3"},{"binary_name":"tomcat9-docs","binary_version":"9.0.31-1ubuntu0.9+esm3"},{"binary_name":"tomcat9-examples","binary_version":"9.0.31-1ubuntu0.9+esm3"},{"binary_name":"tomcat9-user","binary_version":"9.0.31-1ubuntu0.9+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34487.json"}},{"package":{"name":"tomcat9","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.43-3","9.0.54-1","9.0.55-1","9.0.58-1","9.0.58-1ubuntu0.1","9.0.58-1ubuntu0.1+esm1","9.0.58-1ubuntu0.1+esm2","9.0.58-1ubuntu0.1+esm3","9.0.58-1ubuntu0.1+esm4","9.0.58-1ubuntu0.2","9.0.58-1ubuntu0.2+esm1","9.0.58-1ubuntu0.2+esm2","9.0.58-1ubuntu0.2+esm3","9.0.58-1ubuntu0.2+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.58-1ubuntu0.2+esm4","binary_name":"libtomcat9-embed-java"},{"binary_name":"libtomcat9-java","binary_version":"9.0.58-1ubuntu0.2+esm4"},{"binary_name":"tomcat9","binary_version":"9.0.58-1ubuntu0.2+esm4"},{"binary_name":"tomcat9-admin","binary_version":"9.0.58-1ubuntu0.2+esm4"},{"binary_name":"tomcat9-common","binary_version":"9.0.58-1ubuntu0.2+esm4"},{"binary_name":"tomcat9-docs","binary_version":"9.0.58-1ubuntu0.2+esm4"},{"binary_name":"tomcat9-examples","binary_version":"9.0.58-1ubuntu0.2+esm4"},{"binary_name":"tomcat9-user","binary_version":"9.0.58-1ubuntu0.2+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34487.json"}},{"package":{"name":"tomcat10","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/tomcat10?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.1.10-1","10.1.14-1","10.1.15-1","10.1.16-1","10.1.16-1ubuntu0.1~esm1","10.1.16-1ubuntu0.1~esm2","10.1.16-1ubuntu0.1~esm3","10.1.16-1ubuntu0.1~esm4","10.1.55-1ubuntu2~24.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.1.55-1ubuntu2~24.04.1","binary_name":"libtomcat10-embed-java"},{"binary_name":"libtomcat10-java","binary_version":"10.1.55-1ubuntu2~24.04.1"},{"binary_version":"10.1.55-1ubuntu2~24.04.1","binary_name":"tomcat10"},{"binary_name":"tom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