CVE-2026-59084: Apache Tomcat: EncryptInterceptor requirements not clearly documented

Published Jul 14, 2026
·
Updated

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.

Affected Software

6 affected components
Apache Tomcat>=11.0.0-M1<11.0.23, >=10.1.0-M1<10.1.56, >=9.0.13<=9.0.119, >=8.5.38<=8.5.100, >=7.0.100<=7.0.109
Apache Tomcat>=7.0.100<=7.0.109
Apache Tomcat>=8.5.38<=8.5.100
Apache Tomcat>=9.0.13<=9.0.119
Apache Tomcat>=10.1.0<=10.1.56
Apache Tomcat>=11.0.0<=11.0.23

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in 11.0.24
  2. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in 10.1.57
  3. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in 9.0.120

Event History

Jul 14, 2026
CVE Published
via MITRE·08:24 AM
Data Sourced
via MITRE·08:24 AM
DescriptionWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-59084?

CVE-2026-59084 is rated with a risk score of 30, indicating a significant vulnerability.

2

How do I fix CVE-2026-59084?

To fix CVE-2026-59084, ensure you refer to the latest security documentation for configuring the EncryptInterceptor in Apache Tomcat.

3

Which versions of Apache Tomcat are affected by CVE-2026-59084?

CVE-2026-59084 affects Apache Tomcat versions from 11.0.0-M1 to 11.0.23, 10.1.0-M1 to 10.1.56, and 9.0.13 to 9.0.119 as well as previous versions.

4

What type of vulnerability is CVE-2026-59084?

CVE-2026-59084 is classified as an Insufficient Technical Documentation vulnerability.

5

Why is CVE-2026-59084 a concern for Apache Tomcat users?

CVE-2026-59084 is a concern because it involves unclear documentation on securely configuring the EncryptInterceptor, which may lead to misconfigurations.

Contact

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