CVE-2026-55276
CVE-2026-55276 updated by NVD
Summary
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 packages
| Ecosystem | Package | Affected versions | Fixed versions |
|---|---|---|---|
| Maven | org.apache.tomcat.embed:tomcat-embed-core | — | 11.0.23, 10.1.56, 9.0.119 |
| Maven | org.apache.tomcat:tomcat | — | 11.0.23, 10.1.56, 9.0.119 |
| Maven | org.apache.tomcat:tomcat-util-scan | — | 11.0.23, 10.1.56, 9.0.119 |
Remediation: Upgrade to 11.0.23 or later.
References
Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.
Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.
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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.