Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.
Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tomcat-el-3.0-apiUpgrade tomcat-jsvcUpgrade tomcat-webappsUpgrade tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-admin-webappsUpgrade tomcatUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-docs-webapp | Jul 21, 2026 | Jul 21, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 11.0.23Upgrade Apache Tomcat to 10.1.56Upgrade Apache Tomcat to 9.0.119Upgrade Apache Tomcat to the latest available version | Jun 30, 2026 | Jun 29, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 1, 2026 | Jul 1, 2026 |
| Redhat_linux | — | Upgrade tomcat-libUpgrade tomcat-servlet-4.0-apiUpgrade tomcat9-admin-webappsUpgrade tomcat-admin-webappsUpgrade tomcat9-libUpgrade tomcat9-el-3.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade tomcat9-servlet-4.0-apiUpgrade tomcat9-jsp-2.3-apiUpgrade tomcat-webappsNo solution existsUpgrade tomcat9-docs-webappUpgrade tomcat9Upgrade tomcat-docs-webappUpgrade tomcat9-webappsUpgrade tomcat-el-3.0-apiUpgrade tomcat | Jul 17, 2026 | Jun 29, 2026 |
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