RHSA-2026:18916 — Security Advisory

An update for tomcat is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

Security Fix(es):

• tomcat: Apache Tomcat: Security constraint bypass for CGI scripts (CVE-2025-46701)

• org.apache.tomcat/tomcat-catalina: tomcat: Apache Tomcat: session fixation via rewrite valve (CVE-2025-55668)

• org.apache.tomcat/tomcat-juli: tomcat: Apache Tomcat: console manipulation (CVE-2025-55754)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.