{"id":"ALSA-2026:68677","summary":"Important: tomcat security update","details":"Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.  \n\nSecurity Fix(es):  \n\n  * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)\n  * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)\n  * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)\n  * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)\n  * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)\n  * tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)\n  * tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)\n  * tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-09-18T09:41:32.070852018Z","published":"2026-09-17T00:00:00Z","related":["CVE-2026-41293","CVE-2026-42498","CVE-2026-43512","CVE-2026-43513","CVE-2026-43515","CVE-2026-55957","CVE-2026-59083","CVE-2026-59084"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:68677"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-41293"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42498"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-43512"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-43513"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-43515"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-55957"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-59083"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-59084"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2476511"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2476513"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2476516"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2476519"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2476520"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2494669"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2499917"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2499931"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-68677.html"}],"affected":[{"package":{"name":"tomcat","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-admin-webapps","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-admin-webapps"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-docs-webapp","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-docs-webapp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-el-3.0-api","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-el-3.0-api"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-jsp-2.3-api","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-jsp-2.3-api"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-lib","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-lib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-servlet-4.0-api","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-servlet-4.0-api"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}},{"package":{"name":"tomcat-webapps","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/tomcat-webapps"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.120-1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:68677.json"}}],"schema_version":"1.9.0"}