CVE-2026-29129: Apache Tomcat: Configured cipher preference order not preserved

April 9, 2026 (updated April 10, 2026)

Configured cipher preference order not preserved vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.16 through 11.0.18, from 10.1.51 through 10.1.52, from 9.0.114 through 9.0.115.

Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

References

github.com/advisories/GHSA-69cc-cv78-qc8g
github.com/apache/tomcat
lists.apache.org/thread/r4h1t6f8xhxsxfm6c2z5cprolsosho3f
nvd.nist.gov/vuln/detail/CVE-2026-29129

Code Behaviors & Features

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