CVE-2026-59084

Description

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 through 11.0.23, from 10.1.0 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.

How to fix CVE-2026-59084

To remediate CVE-2026-59084, upgrade the affected package to a fixed version below.

• —upgrade to 9.0.120 or later
• —no fix listed
• —no fix listed
• —upgrade to 9.0.70-2 or later

Is CVE-2026-59084 being exploited?

Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.

Affected packages (4)

• >= 7.0.100, < 9.0.120, >= 10.1.0, < 10.1.57, >= 11.0.0, < 11.0.24
• from 0
• from 0
• from 0, < 9.0.70-2

CVSS scores

References (4)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2026-59084
• WEBwww.openwall.com/lists/oss-security/2026/07/14/8
• WEBlists.apache.org/thread/7w9746ootcxo0gvx26xjpw80l31f1qw7
• WEBnvd.nist.gov/vuln/detail/CVE-2026-59084