RHSA-2026:93469 — Security Advisory

An update for tomcat is now available for Red Hat Enterprise Linux 9.8 Extended Update Support.

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 due to improper access control (CVE-2026-65182)

• tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing (CVE-2026-65927)

• tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation (CVE-2026-65637)

• tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure (CVE-2026-68569)

• tomcat: Apache Tomcat: Authentication bypass via limited replay attack in DIGEST authenticator (CVE-2026-65905)

• tomcat: Apache Tomcat: Unauthorized resource access via FORM authentication bypass (CVE-2026-68525)

• tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak (CVE-2026-68763)

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.