CVE-2026-55276
Fixed in a distro release EPSS <1%CVSS 9.1
Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119 which fixes the issue.
Products: Apache Software Foundation Apache Tomcat
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | tomcat10 | no fix |
| Debian 12 | tomcat9 | 9.0.70-2 |
| Debian 13 | tomcat10 | no fix |
| Debian 13 | tomcat11 | no fix |
| Debian 13 | tomcat9 | 9.0.70-2 |
| Debian 14 | tomcat10 | 10.1.60-1 |
| Debian 14 | tomcat11 | 11.0.24-1 |
| Debian 14 | tomcat9 | 9.0.70-2 |
| Red Hat Enterprise Linux 10.2 | tomcat9 | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-admin-webapps | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-docs-webapp | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-el-3.0-api | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-jsp-2.3-api | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-lib | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-servlet-4.0-api | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 10.2 | tomcat9-webapps | 1:9.0.120-1.el10_2 |
| Red Hat Enterprise Linux 8 | tomcat | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-admin-webapps | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-docs-webapp | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-el-3.0-api | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-jsp-2.3-api | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-lib | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-servlet-4.0-api | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 8 | tomcat-webapps | 1:9.0.120-1.el8_10 |
| Red Hat Enterprise Linux 9 | tomcat | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-admin-webapps | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-docs-webapp | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-el-3.0-api | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-jsp-2.3-api | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-lib | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-servlet-4.0-api | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux 9 | tomcat-webapps | 1:9.0.120-2.el9_8 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9 | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-admin-webapps | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-docs-webapp | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-el-3.0-api | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-jsp-2.3-api | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-lib | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-servlet-4.0-api | 1:9.0.120-1.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | tomcat9-webapps | 1:9.0.120-1.el10_0 |
| Red Hat hummingbird 1 | tomcat10 | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-admin-webapps | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-common | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-docs-webapp | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-el-5.0-api | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-jsp-3.1-api | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-lib | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-servlet-6.0-api | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-user-instance | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat10-webapps | 0:10.1.56-1.hum1 |
| Red Hat hummingbird 1 | tomcat11 | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-admin-webapps | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-common | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-docs-webapp | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-el-6.0-api | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-jsp-4.0-api | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-lib | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-servlet-6.1-api | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-user-instance | 0:11.0.23-0.1.hum1 |
| Red Hat hummingbird 1 | tomcat11-webapps | 0:11.0.23-0.1.hum1 |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-admin-webapps | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-admin-webapps | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-admin-webapps | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-docs-webapp | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-docs-webapp | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-docs-webapp | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-el-5.0-api | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-el-5.0-api | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-el-5.0-api | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-javadoc | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-javadoc | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-javadoc | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-jsp-3.1-api | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-jsp-3.1-api | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-jsp-3.1-api | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-lib | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-lib | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-lib | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-selinux | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-selinux | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-selinux | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-servlet-6.0-api | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-servlet-6.0-api | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-servlet-6.0-api | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-webapps | 0:10.1.49-16.redhat_00016.1.el8jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-webapps | 0:10.1.49-16.redhat_00016.1.el9jws |
| Red Hat jboss enterprise web server 6.2 | jws6-tomcat-webapps | 0:10.1.49-16.redhat_00016.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-admin-webapps | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-admin-webapps | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-admin-webapps | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-docs-webapp | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-docs-webapp | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-docs-webapp | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-el-5.0-api | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-el-5.0-api | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-el-5.0-api | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-javadoc | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-javadoc | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-javadoc | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-jsp-3.1-api | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-jsp-3.1-api | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-jsp-3.1-api | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-lib | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-lib | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-lib | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-selinux | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-selinux | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-selinux | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-servlet-6.0-api | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-servlet-6.0-api | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-servlet-6.0-api | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-webapps | 0:11.0.21-6.redhat_00005.1.el8jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-webapps | 0:11.0.21-6.redhat_00005.1.el10jws |
| Red Hat jboss enterprise web server 7.0 | jws7-tomcat-webapps | 0:11.0.21-6.redhat_00005.1.el9jws |
| Red Hat rhel e4s 8.8 | tomcat | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-admin-webapps | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-docs-webapp | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-el-3.0-api | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-jsp-2.3-api | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-lib | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-servlet-4.0-api | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 8.8 | tomcat-webapps | 1:9.0.120-1.el8_8 |
| Red Hat rhel e4s 9.2 | tomcat | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-admin-webapps | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-docs-webapp | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-el-3.0-api | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-jsp-2.3-api | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-lib | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-servlet-4.0-api | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.2 | tomcat-webapps | 1:9.0.120-1.el9_2 |
| Red Hat rhel e4s 9.4 | tomcat | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-admin-webapps | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-docs-webapp | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-el-3.0-api | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-jsp-2.3-api | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-lib | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-servlet-4.0-api | 1:9.0.120-1.el9_4 |
| Red Hat rhel e4s 9.4 | tomcat-webapps | 1:9.0.120-1.el9_4 |
| Red Hat rhel eus 9.6 | tomcat | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-admin-webapps | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-docs-webapp | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-el-3.0-api | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-jsp-2.3-api | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-lib | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-servlet-4.0-api | 1:9.0.120-1.el9_6 |
| Red Hat rhel eus 9.6 | tomcat-webapps | 1:9.0.120-1.el9_6 |
| Red Hat rhel tus 8.8 | tomcat | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-admin-webapps | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-docs-webapp | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-el-3.0-api | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-jsp-2.3-api | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-lib | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-servlet-4.0-api | 1:9.0.120-1.el8_8 |
| Red Hat rhel tus 8.8 | tomcat-webapps | 1:9.0.120-1.el8_8 |
| SUSE Linux Enterprise Module for Web and Scripting 15 SP7 | tomcat | 9.0.119-150200.111.1 |
| SUSE Linux Enterprise Module for Web and Scripting 15 SP7 | tomcat10 | 10.1.56-150200.5.70.1 |
| SUSE Linux Enterprise Module for Web and Scripting 15 SP7 | tomcat11 | 11.0.23-150600.13.24.1 |
| SUSE Linux Enterprise Server 16.0 | tomcat | 9.0.119-160000.1.1 |
| SUSE Linux Enterprise Server 16.0 | tomcat10 | 10.1.56-160000.1.1 |
| SUSE Linux Enterprise Server 16.0 | tomcat11 | 11.0.23-160000.1.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | tomcat | 9.0.119-3.169.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | tomcat | 9.0.119-160000.1.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | tomcat10 | 10.1.56-160000.1.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | tomcat11 | 11.0.23-160000.1.1 |
| Ubuntu 24.04 LTS | tomcat10 | no fix |
| Ubuntu 24.04 LTS | tomcat9 | no fix |
| Ubuntu 25.10 | tomcat10 | no fix |
| Ubuntu 25.10 | tomcat11 | no fix |
| Ubuntu 25.10 | tomcat9 | no fix |
| Ubuntu 26.04 LTS | tomcat10 | no fix |
| Ubuntu 26.04 LTS | tomcat11 | no fix |
| Ubuntu 26.04 LTS | tomcat9 | no fix |
| Ubuntu 26.10 | tomcat10 | no fix |
| Ubuntu 26.10 | tomcat11 | no fix |
| Ubuntu 26.10 | tomcat9 | no fix |
| Ubuntu Pro 14.04 LTS | tomcat6 | no fix |
| Ubuntu Pro 14.04 LTS | tomcat7 | no fix |
| Ubuntu Pro 16.04 LTS | tomcat7 | no fix |
| Ubuntu Pro 16.04 LTS | tomcat8 | 8.0.32-1ubuntu1.13+esm2 |
| Ubuntu Pro 18.04 LTS | tomcat8 | 8.5.39-1ubuntu1~18.04.3+esm6 |
| Ubuntu Pro 18.04 LTS | tomcat9 | no fix |
| Ubuntu Pro 20.04 LTS | tomcat9 | no fix |
| Ubuntu Pro 22.04 LTS | tomcat9 | no fix |
| openSUSE Leap 16.0 | tomcat | 9.0.119-160000.1.1 |
| openSUSE Leap 16.0 | tomcat10 | 10.1.56-160000.1.1 |
| openSUSE Leap 16.0 | tomcat11 | 11.0.23-160000.1.1 |
| openSUSE Tumbleweed | tomcat | 9.0.119-1.1 |
| openSUSE Tumbleweed | tomcat10 | 10.1.56-1.1 |
| openSUSE Tumbleweed | tomcat11 | 11.0.23-1.1 |