Severity: low
Affected versions:
- Apache Tomcat 11.0.0-M1 through 11.0.22
- Apache Tomcat 10.1.0-M1 through 10.1.55
- Apache Tomcat 9.0.0.M1 through 9.0.118
- Apache Tomcat 8.5.0 through 8.5.100
- Apache Tomcat before 8.0.0 unaffected
Description:
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.
References:
https://lists.apache.org/thread/jy09xjlzn6r2qwvqoph8vcmf959yq68v
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-55276
