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CVE-2026-55956 Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet…
Description
Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. 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, from 7.0.0 through 7.0.109. 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 fix 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 |
| Apache Tomcat 7.0 | earliest → 7.0.109 | 7.0.0 |
References
- lists.apache.org lists.apache.org
Timeline
- Published
- Last modified
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