Issued at: 2026-09-19
Updated at: 2026-09-20
Advisory content derived from Red Hat RHSA-2026:68660, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Moderate: tomcat security, bug fix, and enhancement update
Description
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.
Security Fix(es):
* Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix (CVE-2026-32990)
* tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)
* tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)
* tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)
* tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
* tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
* tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)
* tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)
Bug Fix(es) and Enhancement(s):
* Tomcat fails to respond to client connections when using Java 8 [rhel-9.8] (JIRA:Rocky Linux-257456)
For 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.