CVE-2026-68569: Apache Tomcat: Principal lookup can fail open in some cases

<p>Posted by Mark Thomas on Aug 25</p>Severity: important<br /> <br /> Affected versions:<br /> <br /> - Apache Tomcat 11.0.0-M1 through 11.0.24<br /> - Apache Tomcat 10.1.0-M1 through 10.1.57<br /> - Apache Tomcat 9.0.0.M1 through 9.0.120<br /> - Apache Tomcat 8.5.0 through 8.5.100<br /> - Apache Tomcat 7.0.0 through 70.109<br /> - Apache Tomcat before 7.0.0 unknown<br /> <br /> Description:<br /