Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause one request from another user to fail.
This issue affects Apache Tomcat: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121.
Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apache Tomcat | — | Upgrade Apache Tomcat to 11.0.26Upgrade Apache Tomcat to 10.1.60Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 9.0.122 | Sep 24, 2026 | Sep 23, 2026 |
| Redhat_linux | — | No solution exists | Oct 5, 2026 | Sep 23, 2026 |
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