Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.13 through 9.0.119, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.
CVSS Details
- CVSS 3.1 Base Score: 9.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tomcat-admin-webappsUpgrade tomcat-webappsUpgrade tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-el-3.0-apiUpgrade tomcatUpgrade tomcat-jsvcUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-api | Aug 2, 2026 | Aug 2, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 11.0.24Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 10.1.57Upgrade Apache Tomcat to 9.0.120 | Jul 16, 2026 | Jul 14, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 19, 2026 | Jul 19, 2026 |
| Redhat_linux | — | Upgrade tomcat-admin-webappsUpgrade tomcat9-webappsUpgrade tomcat9Upgrade tomcat9-jsp-2.3-apiUpgrade tomcat-libUpgrade tomcat9-el-3.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat9-admin-webappsUpgrade tomcat-webappsUpgrade tomcat9-libUpgrade tomcat-docs-webappUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-4.0-apiUpgrade tomcat9-docs-webappUpgrade tomcat9-servlet-4.0-apiNo solution existsUpgrade tomcat | Jul 31, 2026 | Jul 14, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub