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CVE-2026-55276 Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty…

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.

Affected products and versions

Product Affected versions Fixed in
Apache Tomcat 11.0 11.0.0-M1 → 11.0.22 No fix stated
Apache Tomcat 10.1 10.1.0-M1 → 10.1.55 No fix stated
Apache Tomcat 9.0 9.0.0.M1 → 9.0.118 No fix stated
Apache Tomcat 8.5 8.5.0 → 8.5.100 No fix stated

References

Timeline

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